685654113360 has 40 divisors (see below), whose sum is σ = 2125527752160. Its totient is φ = 182841096832.

The previous prime is 685654113329. The next prime is 685654113383. The reversal of 685654113360 is 63311456586.

685654113360 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1428445830 + ... + 1428446309.

It is an arithmetic number, because the mean of its divisors is an integer number (53138193804).

Almost surely, 2^685654113360 is an apocalyptic number.

685654113360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

685654113360 is an abundant number, since it is smaller than the sum of its proper divisors (1439873638800).

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

685654113360 is a wasteful number, since it uses less digits than its factorization.

685654113360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856892155 (or 2856892149 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 685654113360 in words is "six hundred eighty-five billion, six hundred fifty-four million, one hundred thirteen thousand, three hundred sixty".