1616641012 has 24 divisors (see below), whose sum is σ = 3245590656. Its totient is φ = 690208608.

The previous prime is 1616641003. The next prime is 1616641073. The reversal of 1616641012 is 2101466161.

It is a super-2 number, since 2×1616641012² = 5227056323360768288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102403 + ... + 117130.

It is an arithmetic number, because the mean of its divisors is an integer number (135232944).

Almost surely, 2^1616641012 is an apocalyptic number.

It is an amenable number.

1616641012 is an abundant number, since it is smaller than the sum of its proper divisors (1628949644).

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

1616641012 is a wasteful number, since it uses less digits than its factorization.

1616641012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219807 (or 219805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1616641012 is about 40207.4745787397. The cubic root of 1616641012 is about 1173.6480026885.

The spelling of 1616641012 in words is "one billion, six hundred sixteen million, six hundred forty-one thousand, twelve".