1612251160 has 64 divisors (see below), whose sum is σ = 3932671680. Its totient is φ = 591321600.

The previous prime is 1612251133. The next prime is 1612251161. The reversal of 1612251160 is 611522161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612251161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68254 + ... + 88786.

It is an arithmetic number, because the mean of its divisors is an integer number (61447995).

Almost surely, 2^1612251160 is an apocalyptic number.

1612251160 is a gapful number since it is divisible by the number (10) 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 1612251160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966335840).

1612251160 is an abundant number, since it is smaller than the sum of its proper divisors (2320420520).

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

1612251160 is a wasteful number, since it uses less digits than its factorization.

1612251160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20708 (or 20704 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1612251160 is about 40152.8474706340. The cubic root of 1612251160 is about 1172.5847257163.

The spelling of 1612251160 in words is "one billion, six hundred twelve million, two hundred fifty-one thousand, one hundred sixty".