118155648 has 64 divisors (see below), whose sum is σ = 338007600. Its totient is φ = 36354048.

The previous prime is 118155629. The next prime is 118155671. The reversal of 118155648 is 846551811.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6843 + ... + 16826.

Almost surely, 2^118155648 is an apocalyptic number.

It is an amenable number.

118155648 is an abundant number, since it is smaller than the sum of its proper divisors (219851952).

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

118155648 is a wasteful number, since it uses less digits than its factorization.

118155648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23699 (or 23687 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The square root of 118155648 is about 10869.9424101510. The cubic root of 118155648 is about 490.7023774156.

The spelling of 118155648 in words is "one hundred eighteen million, one hundred fifty-five thousand, six hundred forty-eight".