116722665 has 24 divisors (see below), whose sum is σ = 202642440. Its totient is φ = 62152704.

The previous prime is 116722621. The next prime is 116722717. The reversal of 116722665 is 566227611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38081241 + 78641424 = 6171^2 + 8868^2 .

It is not a de Polignac number, because 116722665 - 2⁶ = 116722601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32919 + ... + 36291.

It is an arithmetic number, because the mean of its divisors is an integer number (8443435).

Almost surely, 2^116722665 is an apocalyptic number.

116722665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116722665 is a deficient number, since it is larger than the sum of its proper divisors (85919775).

116722665 is a wasteful number, since it uses less digits than its factorization.

116722665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153 (or 4150 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 116722665 is about 10803.8264054917. The cubic root of 116722665 is about 488.7105693122.

It can be divided in two parts, 1167 and 22665, that added together give a palindrome (23832).

The spelling of 116722665 in words is "one hundred sixteen million, seven hundred twenty-two thousand, six hundred sixty-five".