696485664 has 72 divisors (see below), whose sum is σ = 2263584960. Its totient is φ = 198995328.

The previous prime is 696485659. The next prime is 696485707. The reversal of 696485664 is 466584696.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×696485664³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 696485664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170724 + ... + 174755.

It is an arithmetic number, because the mean of its divisors is an integer number (31438680).

Almost surely, 2^696485664 is an apocalyptic number.

It is an amenable number.

696485664 is an abundant number, since it is smaller than the sum of its proper divisors (1567099296).

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

696485664 is a wasteful number, since it uses less digits than its factorization.

696485664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345502 (or 345491 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 696485664 is about 26391.0148345985. The cubic root of 696485664 is about 886.4156067100.

The spelling of 696485664 in words is "six hundred ninety-six million, four hundred eighty-five thousand, six hundred sixty-four".