1210641696 has 144 divisors (see below), whose sum is σ = 3953607840. Its totient is φ = 347535360.

The previous prime is 1210641673. The next prime is 1210641701. The reversal of 1210641696 is 6961460121.

1210641696 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 641 + 6 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1210641696.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50136 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (27455610).

Almost surely, 2^1210641696 is an apocalyptic number.

1210641696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210641696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976803920).

1210641696 is an abundant number, since it is smaller than the sum of its proper divisors (2742966144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210641696 is a wasteful number, since it uses less digits than its factorization.

1210641696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1210641696 is about 34794.2767707564. The cubic root of 1210641696 is about 1065.7905761194.

It can be divided in two parts, 121064 and 1696, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 1210641696 in words is "one billion, two hundred ten million, six hundred forty-one thousand, six hundred ninety-six".