16512425650 has 48 divisors (see below), whose sum is σ = 36626834304. Its totient is φ = 5415252480.

The previous prime is 16512425647. The next prime is 16512425753. The reversal of 16512425650 is 5652421561.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017567 + ... + 1033666.

It is an arithmetic number, because the mean of its divisors is an integer number (763059048).

Almost surely, 2^16512425650 is an apocalyptic number.

16512425650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16512425650 is an abundant number, since it is smaller than the sum of its proper divisors (20114408654).

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

16512425650 is a wasteful number, since it uses less digits than its factorization.

16512425650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051275 (or 2051270 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 16512425650 in words is "sixteen billion, five hundred twelve million, four hundred twenty-five thousand, six hundred fifty".