116726660 has 24 divisors (see below), whose sum is σ = 245329560. Its totient is φ = 46651904.

The previous prime is 116726657. The next prime is 116726669. The reversal of 116726660 is 66627611.

It can be written as a sum of positive squares in 4 ways, for example, as 23951236 + 92775424 = 4894^2 + 9632^2 .

It is a super-2 number, since 2×116726660² = 27250226309511200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116726660.

It is not an unprimeable number, because it can be changed into a prime (116726669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43436 + ... + 46044.

It is an arithmetic number, because the mean of its divisors is an integer number (10222065).

Almost surely, 2^116726660 is an apocalyptic number.

116726660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116726660 is an abundant number, since it is smaller than the sum of its proper divisors (128602900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116726660 is a wasteful number, since it uses less digits than its factorization.

116726660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 116726660 is about 10804.0112921081. The cubic root of 116726660 is about 488.7161448544.

The spelling of 116726660 in words is "one hundred sixteen million, seven hundred twenty-six thousand, six hundred sixty".