116636665 has 8 divisors (see below), whose sum is σ = 140077440. Its totient is φ = 93233712.

The previous prime is 116636651. The next prime is 116636743. The reversal of 116636665 is 566636611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116636665 - 2¹⁵ = 116603897 is a prime.

It is a super-2 number, since 2×116636665² = 27208223244644450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155 + ... + 15424.

It is an arithmetic number, because the mean of its divisors is an integer number (17509680).

Almost surely, 2^116636665 is an apocalyptic number.

It is an amenable number.

116636665 is a deficient number, since it is larger than the sum of its proper divisors (23440775).

116636665 is a wasteful number, since it uses less digits than its factorization.

116636665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18911.

The product of its digits is 116640, while the sum is 40.

The square root of 116636665 is about 10799.8456007482. The cubic root of 116636665 is about 488.5905142643.

The spelling of 116636665 in words is "one hundred sixteen million, six hundred thirty-six thousand, six hundred sixty-five".