685731550106 has 32 divisors (see below), whose sum is σ = 1105658771328. Its totient is φ = 318130528320.

The previous prime is 685731550087. The next prime is 685731550117. The reversal of 685731550106 is 601055137586.

685731550106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×685731550106² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45245 + ... + 1171968.

It is an arithmetic number, because the mean of its divisors is an integer number (34551836604).

Almost surely, 2^685731550106 is an apocalyptic number.

685731550106 is a deficient number, since it is larger than the sum of its proper divisors (419927221222).

685731550106 is a wasteful number, since it uses less digits than its factorization.

685731550106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217606.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 685731550106 in words is "six hundred eighty-five billion, seven hundred thirty-one million, five hundred fifty thousand, one hundred six".