116537166 has 24 divisors (see below), whose sum is σ = 255696480. Its totient is φ = 38353536.

The previous prime is 116537149. The next prime is 116537173. The reversal of 116537166 is 661735611.

116537166 is a `hidden beast` number, since 116 + 537 + 1 + 6 + 6 = 666.

It is a super-2 number, since 2×116537166² = 27161822118623112, 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 116537166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39555 + ... + 42398.

It is an arithmetic number, because the mean of its divisors is an integer number (10654020).

Almost surely, 2^116537166 is an apocalyptic number.

116537166 is an abundant number, since it is smaller than the sum of its proper divisors (139159314).

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

116537166 is a wasteful number, since it uses less digits than its factorization.

116537166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82040 (or 82037 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 116537166 is about 10795.2381168736. The cubic root of 116537166 is about 488.4515411038.

The spelling of 116537166 in words is "one hundred sixteen million, five hundred thirty-seven thousand, one hundred sixty-six".