118991896 has 8 divisors (see below), whose sum is σ = 223109820. Its totient is φ = 59495944.

The previous prime is 118991869. The next prime is 118991897. The reversal of 118991896 is 698199811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118991897) 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 as a sum of consecutive naturals, namely, 7436986 + ... + 7437001.

Almost surely, 2^118991896 is an apocalyptic number.

It is an amenable number.

118991896 is a deficient number, since it is larger than the sum of its proper divisors (104117924).

118991896 is a wasteful number, since it uses less digits than its factorization.

118991896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873993 (or 14873989 counting only the distinct ones).

The product of its digits is 279936, while the sum is 52.

The square root of 118991896 is about 10908.3406620806. The cubic root of 118991896 is about 491.8573076403.

The spelling of 118991896 in words is "one hundred eighteen million, nine hundred ninety-one thousand, eight hundred ninety-six".