116671665 has 32 divisors (see below), whose sum is σ = 205690752. Its totient is φ = 56000000.

The previous prime is 116671657. The next prime is 116671741. The reversal of 116671665 is 566176611.

It is not a de Polignac number, because 116671665 - 2³ = 116671657 is a prime.

It is a super-2 number, since 2×116671665² = 27224554827744450, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13165 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (6427836).

Almost surely, 2^116671665 is an apocalyptic number.

116671665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116671665 is a deficient number, since it is larger than the sum of its proper divisors (89019087).

116671665 is a wasteful number, since it uses less digits than its factorization.

116671665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121.

The product of its digits is 45360, while the sum is 39.

The square root of 116671665 is about 10801.4658727415. The cubic root of 116671665 is about 488.6393809958.

The spelling of 116671665 in words is "one hundred sixteen million, six hundred seventy-one thousand, six hundred sixty-five".