695551664 has 20 divisors (see below), whose sum is σ = 1349753640. Its totient is φ = 347228160.

The previous prime is 695551657. The next prime is 695551667. The reversal of 695551664 is 466155596.

It is not an unprimeable number, because it can be changed into a prime (695551667) 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, 23654 + ... + 44165.

It is an arithmetic number, because the mean of its divisors is an integer number (67487682).

Almost surely, 2^695551664 is an apocalyptic number.

It is an amenable number.

695551664 is a deficient number, since it is larger than the sum of its proper divisors (654201976).

695551664 is a wasteful number, since it uses less digits than its factorization.

695551664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68468 (or 68462 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 695551664 is about 26373.3134816238. The cubic root of 695551664 is about 886.0191962849.

The spelling of 695551664 in words is "six hundred ninety-five million, five hundred fifty-one thousand, six hundred sixty-four".