117645696 has 160 divisors (see below), whose sum is σ = 400374480. Its totient is φ = 33592320.

The previous prime is 117645691. The next prime is 117645719. The reversal of 117645696 is 696546711.

117645696 is a `hidden beast` number, since 11 + 76 + 4 + 569 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117645691) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71766 + ... + 73386.

Almost surely, 2^117645696 is an apocalyptic number.

117645696 is a gapful number since it is divisible by the number (16) 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 117645696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200187240).

117645696 is an abundant number, since it is smaller than the sum of its proper divisors (282728784).

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

117645696 is an equidigital number, since it uses as much as digits as its factorization.

117645696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1633 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 117645696 is about 10846.4600676903. The cubic root of 117645696 is about 489.9954129794.

It can be divided in two parts, 117645 and 696, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 117645696 in words is "one hundred seventeen million, six hundred forty-five thousand, six hundred ninety-six".