116731065 has 32 divisors (see below), whose sum is σ = 206064000. Its totient is φ = 55953920.

The previous prime is 116731057. The next prime is 116731067. The reversal of 116731065 is 560137611.

It is not a de Polignac number, because 116731065 - 2³ = 116731057 is a prime.

It is a super-2 number, since 2×116731065² = 27252283072068450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116731067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10711 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (6439500).

Almost surely, 2^116731065 is an apocalyptic number.

116731065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116731065 is a deficient number, since it is larger than the sum of its proper divisors (89332935).

116731065 is a wasteful number, since it uses less digits than its factorization.

116731065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 116731065 is about 10804.2151496534. The cubic root of 116731065 is about 488.7222924575.

Adding to 116731065 its reverse (560137611), we get a palindrome (676868676).

The spelling of 116731065 in words is "one hundred sixteen million, seven hundred thirty-one thousand, sixty-five".