116885665 has 8 divisors (see below), whose sum is σ = 151052328. Its totient is φ = 86315520.

The previous prime is 116885641. The next prime is 116885753. The reversal of 116885665 is 566588611.

It can be written as a sum of positive squares in 4 ways, for example, as 8392609 + 108493056 = 2897^2 + 10416^2 .

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

It is not a de Polignac number, because 116885665 - 2⁷ = 116885537 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, 899056 + ... + 899185.

It is an arithmetic number, because the mean of its divisors is an integer number (18881541).

Almost surely, 2^116885665 is an apocalyptic number.

It is an amenable number.

116885665 is a deficient number, since it is larger than the sum of its proper divisors (34166663).

116885665 is a wasteful number, since it uses less digits than its factorization.

116885665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798259.

The product of its digits is 345600, while the sum is 46.

The square root of 116885665 is about 10811.3673973277. The cubic root of 116885665 is about 488.9379538012.

The spelling of 116885665 in words is "one hundred sixteen million, eight hundred eighty-five thousand, six hundred sixty-five".