628634168392 has 32 divisors (see below), whose sum is σ = 1180455120000. Its totient is φ = 313846346368.

The previous prime is 628634168363. The next prime is 628634168411. The reversal of 628634168392 is 293861436826.

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, 30272109 + ... + 30292867.

It is an arithmetic number, because the mean of its divisors is an integer number (36889222500).

Almost surely, 2^628634168392 is an apocalyptic number.

It is an amenable number.

628634168392 is a deficient number, since it is larger than the sum of its proper divisors (551820951608).

628634168392 is a wasteful number, since it uses less digits than its factorization.

628634168392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26253 (or 26249 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 58.

The spelling of 628634168392 in words is "six hundred twenty-eight billion, six hundred thirty-four million, one hundred sixty-eight thousand, three hundred ninety-two".