116490557 has 4 divisors (see below), whose sum is σ = 116563356. Its totient is φ = 116417760.

The previous prime is 116490547. The next prime is 116490601. The reversal of 116490557 is 755094611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755094611 = 131 ⋅5764081.

It can be written as a sum of positive squares in 2 ways, for example, as 35832196 + 80658361 = 5986^2 + 8981^2 .

It is a cyclic number.

It is not a de Polignac number, because 116490557 - 2⁸ = 116490301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116490557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116490547) 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, 33944 + ... + 37217.

It is an arithmetic number, because the mean of its divisors is an integer number (29140839).

Almost surely, 2^116490557 is an apocalyptic number.

It is an amenable number.

116490557 is a deficient number, since it is larger than the sum of its proper divisors (72799).

116490557 is an equidigital number, since it uses as much as digits as its factorization.

116490557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72798.

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

The square root of 116490557 is about 10793.0791250690. The cubic root of 116490557 is about 488.3864137445.

The spelling of 116490557 in words is "one hundred sixteen million, four hundred ninety thousand, five hundred fifty-seven".