16501160925 has 36 divisors (see below), whose sum is σ = 31293973620. Its totient is φ = 8282933760.

The previous prime is 16501160839. The next prime is 16501160939. The reversal of 16501160925 is 52906110561.

16501160925 is a `hidden beast` number, since 1 + 6 + 501 + 1 + 60 + 92 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2428321284 + 14072839641 = 49278^2 + 118629^2 .

It is not a de Polignac number, because 16501160925 - 2¹² = 16501156829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16501160925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2153190 + ... + 2160839.

It is an arithmetic number, because the mean of its divisors is an integer number (869277045).

Almost surely, 2^16501160925 is an apocalyptic number.

16501160925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16501160925 is a deficient number, since it is larger than the sum of its proper divisors (14792812695).

16501160925 is a wasteful number, since it uses less digits than its factorization.

16501160925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314062 (or 4314054 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 16501160925 in words is "sixteen billion, five hundred one million, one hundred sixty thousand, nine hundred twenty-five".