116558091 has 24 divisors (see below), whose sum is σ = 184031120. Its totient is φ = 70652736.

The previous prime is 116558083. The next prime is 116558107. The reversal of 116558091 is 190855611.

116558091 is a `hidden beast` number, since 1 + 16 + 558 + 0 + 91 = 666.

It is not a de Polignac number, because 116558091 - 2³ = 116558083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116558011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405 + ... + 15273.

Almost surely, 2^116558091 is an apocalyptic number.

116558091 is a deficient number, since it is larger than the sum of its proper divisors (67473029).

116558091 is a wasteful number, since it uses less digits than its factorization.

116558091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955 (or 14952 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 116558091 is about 10796.2072506969. The cubic root of 116558091 is about 488.4807742294.

The spelling of 116558091 in words is "one hundred sixteen million, five hundred fifty-eight thousand, ninety-one".