672265563838 has 16 divisors (see below), whose sum is σ = 1104042307824. Its totient is φ = 304472093760.

The previous prime is 672265563821. The next prime is 672265563917. The reversal of 672265563838 is 838365562276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55151895 + ... + 55164082.

It is an arithmetic number, because the mean of its divisors is an integer number (69002644239).

Almost surely, 2^672265563838 is an apocalyptic number.

672265563838 is a deficient number, since it is larger than the sum of its proper divisors (431776743986).

672265563838 is a wasteful number, since it uses less digits than its factorization.

672265563838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110316267.

The product of its digits is 87091200, while the sum is 61.

The spelling of 672265563838 in words is "six hundred seventy-two billion, two hundred sixty-five million, five hundred sixty-three thousand, eight hundred thirty-eight".