116040665 has 8 divisors (see below), whose sum is σ = 149960328. Its totient is φ = 85691520.

The previous prime is 116040641. The next prime is 116040677. The reversal of 116040665 is 566040611.

It can be written as a sum of positive squares in 4 ways, for example, as 8462281 + 107578384 = 2909^2 + 10372^2 .

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

It is not a de Polignac number, because 116040665 - 2⁶ = 116040601 is a prime.

It is a Duffinian number.

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, 892556 + ... + 892685.

It is an arithmetic number, because the mean of its divisors is an integer number (18745041).

Almost surely, 2^116040665 is an apocalyptic number.

It is an amenable number.

116040665 is a deficient number, since it is larger than the sum of its proper divisors (33919663).

116040665 is a wasteful number, since it uses less digits than its factorization.

116040665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785259.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 116040665 is about 10772.2172740806. The cubic root of 116040665 is about 487.7568788638.

The spelling of 116040665 in words is "one hundred sixteen million, forty thousand, six hundred sixty-five".