1616512056 has 32 divisors (see below), whose sum is σ = 4050950400. Its totient is φ = 537548000.

The previous prime is 1616512003. The next prime is 1616512057. The reversal of 1616512056 is 6502156161.

It is a super-2 number, since 2×1616512056² = 5226222454386694272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616512057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70320 + ... + 90431.

It is an arithmetic number, because the mean of its divisors is an integer number (126592200).

Almost surely, 2^1616512056 is an apocalyptic number.

It is an amenable number.

1616512056 is an abundant number, since it is smaller than the sum of its proper divisors (2434438344).

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

1616512056 is a wasteful number, since it uses less digits than its factorization.

1616512056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161179 (or 161175 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1616512056 is about 40205.8709145816. The cubic root of 1616512056 is about 1173.6167953940.

The spelling of 1616512056 in words is "one billion, six hundred sixteen million, five hundred twelve thousand, fifty-six".