118405179165 has 128 divisors (see below), whose sum is σ = 245705564160. Its totient is φ = 47283305472.

The previous prime is 118405179143. The next prime is 118405179181. The reversal of 118405179165 is 561971504811.

It is not a de Polignac number, because 118405179165 - 2¹² = 118405175069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31716639 + ... + 31720371.

It is an arithmetic number, because the mean of its divisors is an integer number (1919574720).

Almost surely, 2^118405179165 is an apocalyptic number.

118405179165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118405179165 is an abundant number, since it is smaller than the sum of its proper divisors (127300384995).

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

118405179165 is a wasteful number, since it uses less digits than its factorization.

118405179165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 302400, while the sum is 48.

The spelling of 118405179165 in words is "one hundred eighteen billion, four hundred five million, one hundred seventy-nine thousand, one hundred sixty-five".