12623516664 has 48 divisors (see below), whose sum is σ = 34688597160. Its totient is φ = 3825307200.

The previous prime is 12623516621. The next prime is 12623516677. The reversal of 12623516664 is 46661532621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2170567 + ... + 2176374.

Almost surely, 2^12623516664 is an apocalyptic number.

It is an amenable number.

12623516664 is an abundant number, since it is smaller than the sum of its proper divisors (22065080496).

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

12623516664 is a wasteful number, since it uses less digits than its factorization.

12623516664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346972 (or 4346957 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 12623516664 in words is "twelve billion, six hundred twenty-three million, five hundred sixteen thousand, six hundred sixty-four".