694112664 has 32 divisors (see below), whose sum is σ = 1983179520. Its totient is φ = 198317856.

The previous prime is 694112659. The next prime is 694112677. The reversal of 694112664 is 466211496.

694112664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2065644 + ... + 2065979.

It is an arithmetic number, because the mean of its divisors is an integer number (61974360).

Almost surely, 2^694112664 is an apocalyptic number.

It is an amenable number.

694112664 is an abundant number, since it is smaller than the sum of its proper divisors (1289066856).

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

694112664 is a wasteful number, since it uses less digits than its factorization.

694112664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131639 (or 4131635 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 694112664 is about 26346.0179913398. The cubic root of 694112664 is about 885.4077574539.

The spelling of 694112664 in words is "six hundred ninety-four million, one hundred twelve thousand, six hundred sixty-four".