318727660164 has 36 divisors (see below), whose sum is σ = 790018165104. Its totient is φ = 99992990336.

The previous prime is 318727660157. The next prime is 318727660169. The reversal of 318727660164 is 461066727813.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (318727660169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45949194 + ... + 45956129.

Almost surely, 2^318727660164 is an apocalyptic number.

318727660164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

318727660164 is an abundant number, since it is smaller than the sum of its proper divisors (471290504940).

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

318727660164 is a wasteful number, since it uses less digits than its factorization.

318727660164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91905364 (or 91905345 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 318727660164 in words is "three hundred eighteen billion, seven hundred twenty-seven million, six hundred sixty thousand, one hundred sixty-four".