16506125356 has 12 divisors (see below), whose sum is σ = 33012250768. Its totient is φ = 7074053712.

The previous prime is 16506125351. The next prime is 16506125371. The reversal of 16506125356 is 65352160561.

16506125356 is an admirable number.

It is a super-2 number, since 2×16506125356² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16506125351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294752211 + ... + 294752266.

Almost surely, 2^16506125356 is an apocalyptic number.

It is an amenable number.

16506125356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16506125356 is a wasteful number, since it uses less digits than its factorization.

16506125356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589504488 (or 589504486 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 16506125356 in words is "sixteen billion, five hundred six million, one hundred twenty-five thousand, three hundred fifty-six".