685000148516 has 12 divisors (see below), whose sum is σ = 1226628173232. Its totient is φ = 334534956168.

The previous prime is 685000148513. The next prime is 685000148527. The reversal of 685000148516 is 615841000586.

685000148516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (685000148513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991279330 + ... + 1991279673.

It is an arithmetic number, because the mean of its divisors is an integer number (102219014436).

Almost surely, 2^685000148516 is an apocalyptic number.

It is an amenable number.

685000148516 is a deficient number, since it is larger than the sum of its proper divisors (541628024716).

685000148516 is a wasteful number, since it uses less digits than its factorization.

685000148516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982559050 (or 3982559048 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 685000148516 in words is "six hundred eighty-five billion, one hundred forty-eight thousand, five hundred sixteen".