116651616 has 24 divisors (see below), whose sum is σ = 306210744. Its totient is φ = 38883840.

The previous prime is 116651609. The next prime is 116651617. The reversal of 116651616 is 616156611.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×116651616² = 27215199030822912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116651617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607465 + ... + 607656.

It is an arithmetic number, because the mean of its divisors is an integer number (12758781).

Almost surely, 2^116651616 is an apocalyptic number.

116651616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116651616 is an abundant number, since it is smaller than the sum of its proper divisors (189559128).

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

116651616 is a wasteful number, since it uses less digits than its factorization.

116651616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215134 (or 1215126 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 116651616 is about 10800.5377643893. The cubic root of 116651616 is about 488.6113899317.

The spelling of 116651616 in words is "one hundred sixteen million, six hundred fifty-one thousand, six hundred sixteen".