697164995408 has 40 divisors (see below), whose sum is σ = 1544219794560. Its totient is φ = 298688745600.

The previous prime is 697164995333. The next prime is 697164995459. The reversal of 697164995408 is 804599461796.

It is a super-2 number, since 2×697164995408² (a number of 24 digits) contains 22 as substring.

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, 652868 + ... + 1349283.

It is an arithmetic number, because the mean of its divisors is an integer number (38605494864).

Almost surely, 2^697164995408 is an apocalyptic number.

It is an amenable number.

697164995408 is an abundant number, since it is smaller than the sum of its proper divisors (847054799152).

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

697164995408 is a wasteful number, since it uses less digits than its factorization.

697164995408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005275 (or 2005269 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 697164995408 in words is "six hundred ninety-seven billion, one hundred sixty-four million, nine hundred ninety-five thousand, four hundred eight".