116158566 has 16 divisors (see below), whose sum is σ = 237720384. Its totient is φ = 37818984.

The previous prime is 116158561. The next prime is 116158589. The reversal of 116158566 is 665851611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116158561) 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, 224856 + ... + 225371.

It is an arithmetic number, because the mean of its divisors is an integer number (14857524).

Almost surely, 2^116158566 is an apocalyptic number.

116158566 is an abundant number, since it is smaller than the sum of its proper divisors (121561818).

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

116158566 is a wasteful number, since it uses less digits than its factorization.

116158566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450275.

The product of its digits is 43200, while the sum is 39.

The square root of 116158566 is about 10777.6883421261. The cubic root of 116158566 is about 487.9220151070.

The spelling of 116158566 in words is "one hundred sixteen million, one hundred fifty-eight thousand, five hundred sixty-six".