116565151 has 4 divisors (see below), whose sum is σ = 117239112. Its totient is φ = 115891192.

The previous prime is 116565149. The next prime is 116565157. The reversal of 116565151 is 151565611.

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 116565151 - 2¹ = 116565149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116565157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336721 + ... + 337066.

It is an arithmetic number, because the mean of its divisors is an integer number (29309778).

Almost surely, 2^116565151 is an apocalyptic number.

116565151 is a deficient number, since it is larger than the sum of its proper divisors (673961).

116565151 is an equidigital number, since it uses as much as digits as its factorization.

116565151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673960.

The product of its digits is 4500, while the sum is 31.

The square root of 116565151 is about 10796.5342124221. The cubic root of 116565151 is about 488.4906365639.

It can be divided in two parts, 11656 and 5151, that added together give a 5-th power (16807 = 7⁵).

The spelling of 116565151 in words is "one hundred sixteen million, five hundred sixty-five thousand, one hundred fifty-one".