16052056657 has 32 divisors (see below), whose sum is σ = 20651500800. Its totient is φ = 12390618240.

The previous prime is 16052056639. The next prime is 16052056673. The reversal of 16052056657 is 75665025061.

It is not a de Polignac number, because 16052056657 - 2²⁷ = 15917838929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16052056607) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 138918 + ... + 226720.

It is an arithmetic number, because the mean of its divisors is an integer number (645359400).

Almost surely, 2^16052056657 is an apocalyptic number.

It is an amenable number.

16052056657 is a deficient number, since it is larger than the sum of its proper divisors (4599444143).

16052056657 is an equidigital number, since it uses as much as digits as its factorization.

16052056657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87878 (or 87864 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 16052056657 in words is "sixteen billion, fifty-two million, fifty-six thousand, six hundred fifty-seven".