696567089664 has 480 divisors, whose sum is σ = 2118396646080. Its totient is φ = 220055076864.

The previous prime is 696567089663. The next prime is 696567089741. The reversal of 696567089664 is 466980765696.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 696567089592 and 696567089601.

It is not an unprimeable number, because it can be changed into a prime (696567089663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2461367667 + ... + 2461367949.

It is an arithmetic number, because the mean of its divisors is an integer number (4413326346).

Almost surely, 2^696567089664 is an apocalyptic number.

696567089664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696567089664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059198323040).

696567089664 is an abundant number, since it is smaller than the sum of its proper divisors (1421829556416).

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

696567089664 is a wasteful number, since it uses less digits than its factorization.

696567089664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 696567089664 in words is "six hundred ninety-six billion, five hundred sixty-seven million, eighty-nine thousand, six hundred sixty-four".