672692016525 has 48 divisors (see below), whose sum is σ = 1170879493440. Its totient is φ = 339840230400.

The previous prime is 672692016511. The next prime is 672692016551. The reversal of 672692016525 is 525610296276.

It is a happy number.

It is not a de Polignac number, because 672692016525 - 2²² = 672687822221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12029029 + ... + 12084821.

It is an arithmetic number, because the mean of its divisors is an integer number (24393322780).

Almost surely, 2^672692016525 is an apocalyptic number.

It is an amenable number.

672692016525 is a deficient number, since it is larger than the sum of its proper divisors (498187476915).

672692016525 is a wasteful number, since it uses less digits than its factorization.

672692016525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64286 (or 64281 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 672692016525 in words is "six hundred seventy-two billion, six hundred ninety-two million, sixteen thousand, five hundred twenty-five".