685651096610 has 32 divisors (see below), whose sum is σ = 1283283205632. Its totient is φ = 263475987840.

The previous prime is 685651096591. The next prime is 685651096621. The reversal of 685651096610 is 16690156586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029712 + ... + 8114651.

It is an arithmetic number, because the mean of its divisors is an integer number (40102600176).

Almost surely, 2^685651096610 is an apocalyptic number.

685651096610 is a deficient number, since it is larger than the sum of its proper divisors (597632109022).

685651096610 is a wasteful number, since it uses less digits than its factorization.

685651096610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144538.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 685651096610 in words is "six hundred eighty-five billion, six hundred fifty-one million, ninety-six thousand, six hundred ten".