16640570676 has 24 divisors (see below), whose sum is σ = 38943224320. Its totient is φ = 5530396032.

The previous prime is 16640570659. The next prime is 16640570677. The reversal of 16640570676 is 67607504661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16640570677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053396 + ... + 2061483.

Almost surely, 2^16640570676 is an apocalyptic number.

It is an amenable number.

16640570676 is an abundant number, since it is smaller than the sum of its proper divisors (22302653644).

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

16640570676 is a wasteful number, since it uses less digits than its factorization.

16640570676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115223 (or 4115221 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 16640570676 in words is "sixteen billion, six hundred forty million, five hundred seventy thousand, six hundred seventy-six".