116156765 has 4 divisors (see below), whose sum is σ = 139388124. Its totient is φ = 92925408.

The previous prime is 116156753. The next prime is 116156771. The reversal of 116156765 is 567651611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567651611 = 751 ⋅755861.

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 89510521 = 5162^2 + 9461^2 .

It is a cyclic number.

It is not a de Polignac number, because 116156765 - 2⁶ = 116156701 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 11615672 + ... + 11615681.

It is an arithmetic number, because the mean of its divisors is an integer number (34847031).

Almost surely, 2^116156765 is an apocalyptic number.

It is an amenable number.

116156765 is a deficient number, since it is larger than the sum of its proper divisors (23231359).

116156765 is an equidigital number, since it uses as much as digits as its factorization.

116156765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23231358.

The product of its digits is 37800, while the sum is 38.

The square root of 116156765 is about 10777.6047895625. The cubic root of 116156765 is about 487.9194934044.

The spelling of 116156765 in words is "one hundred sixteen million, one hundred fifty-six thousand, seven hundred sixty-five".