116991032 has 8 divisors (see below), whose sum is σ = 219358200. Its totient is φ = 58495512.

The previous prime is 116991029. The next prime is 116991067. The reversal of 116991032 is 230199611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 116991032.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7311932 + ... + 7311947.

It is an arithmetic number, because the mean of its divisors is an integer number (27419775).

Almost surely, 2^116991032 is an apocalyptic number.

It is an amenable number.

116991032 is a deficient number, since it is larger than the sum of its proper divisors (102367168).

116991032 is a wasteful number, since it uses less digits than its factorization.

116991032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14623885 (or 14623881 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 116991032 is about 10816.2392725013. The cubic root of 116991032 is about 489.0848279646.

The spelling of 116991032 in words is "one hundred sixteen million, nine hundred ninety-one thousand, thirty-two".