694521012164 has 48 divisors (see below), whose sum is σ = 1438029132288. Its totient is φ = 287328135168.

The previous prime is 694521012109. The next prime is 694521012191. The reversal of 694521012164 is 461210125496.

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, 3518669 + ... + 3710804.

It is an arithmetic number, because the mean of its divisors is an integer number (29958940256).

Almost surely, 2^694521012164 is an apocalyptic number.

It is an amenable number.

694521012164 is an abundant number, since it is smaller than the sum of its proper divisors (743508120124).

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

694521012164 is a wasteful number, since it uses less digits than its factorization.

694521012164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229604 (or 7229602 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 694521012164 in words is "six hundred ninety-four billion, five hundred twenty-one million, twelve thousand, one hundred sixty-four".