116665895 has 4 divisors (see below), whose sum is σ = 139999080. Its totient is φ = 93332712.

The previous prime is 116665889. The next prime is 116665919. The reversal of 116665895 is 598566611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116665895 - 2¹⁰ = 116664871 is a prime.

It is a super-2 number, since 2×116665895² = 27221862112302050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11666585 + ... + 11666594.

It is an arithmetic number, because the mean of its divisors is an integer number (34999770).

Almost surely, 2^116665895 is an apocalyptic number.

116665895 is a deficient number, since it is larger than the sum of its proper divisors (23333185).

116665895 is an equidigital number, since it uses as much as digits as its factorization.

116665895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333184.

The product of its digits is 388800, while the sum is 47.

The square root of 116665895 is about 10801.1987760618. The cubic root of 116665895 is about 488.6313256389.

The spelling of 116665895 in words is "one hundred sixteen million, six hundred sixty-five thousand, eight hundred ninety-five".