16525317692 has 12 divisors (see below), whose sum is σ = 31143868056. Its totient is φ = 7627069680.

The previous prime is 16525317673. The next prime is 16525317713. The reversal of 16525317692 is 29671352561.

It is a super-2 number, since 2×16525317692² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158897234 + ... + 158897337.

It is an arithmetic number, because the mean of its divisors is an integer number (2595322338).

Almost surely, 2^16525317692 is an apocalyptic number.

It is an amenable number.

16525317692 is a deficient number, since it is larger than the sum of its proper divisors (14618550364).

16525317692 is a wasteful number, since it uses less digits than its factorization.

16525317692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317794588 (or 317794586 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The spelling of 16525317692 in words is "sixteen billion, five hundred twenty-five million, three hundred seventeen thousand, six hundred ninety-two".