628902163544 has 64 divisors (see below), whose sum is σ = 1246388083200. Its totient is φ = 296904681216.

The previous prime is 628902163541. The next prime is 628902163553. The reversal of 628902163544 is 445361209826.

It is a junction number, because it is equal to n+sod(n) for n = 628902163492 and 628902163501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628902163541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5878967 + ... + 5984985.

It is an arithmetic number, because the mean of its divisors is an integer number (19474813800).

Almost surely, 2^628902163544 is an apocalyptic number.

It is an amenable number.

628902163544 is a deficient number, since it is larger than the sum of its proper divisors (617485919656).

628902163544 is a wasteful number, since it uses less digits than its factorization.

628902163544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106464 (or 106460 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 628902163544 in words is "six hundred twenty-eight billion, nine hundred two million, one hundred sixty-three thousand, five hundred forty-four".