116662100557 has 4 divisors (see below), whose sum is σ = 116663595516. Its totient is φ = 116660605600.

The previous prime is 116662100549. The next prime is 116662100579. The reversal of 116662100557 is 755001266611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69410644681 + 47251455876 = 263459^2 + 217374^2 .

It is a cyclic number.

It is not a de Polignac number, because 116662100557 - 2³ = 116662100549 is a prime.

It is a super-2 number, since 2×116662100557² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116662107557) 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, 623578 + ... + 788779.

It is an arithmetic number, because the mean of its divisors is an integer number (29165898879).

Almost surely, 2^116662100557 is an apocalyptic number.

It is an amenable number.

116662100557 is a deficient number, since it is larger than the sum of its proper divisors (1494959).

116662100557 is an equidigital number, since it uses as much as digits as its factorization.

116662100557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494958.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 116662100557 in words is "one hundred sixteen billion, six hundred sixty-two million, one hundred thousand, five hundred fifty-seven".