117995616 has 60 divisors (see below), whose sum is σ = 347029452. Its totient is φ = 39331008.

The previous prime is 117995611. The next prime is 117995621. The reversal of 117995616 is 616599711.

117995616 is a `hidden beast` number, since 11 + 79 + 9 + 561 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (117995611) and next prime (117995621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117995611) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20170 + ... + 25353.

Almost surely, 2^117995616 is an apocalyptic number.

117995616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117995616 is an abundant number, since it is smaller than the sum of its proper divisors (229033836).

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

117995616 is an equidigital number, since it uses as much as digits as its factorization.

117995616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45545 (or 45528 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 117995616 is about 10862.5786993697. The cubic root of 117995616 is about 490.4807387998.

The spelling of 117995616 in words is "one hundred seventeen million, nine hundred ninety-five thousand, six hundred sixteen".