318420164990 has 32 divisors (see below), whose sum is σ = 580455179136. Its totient is φ = 125748174240.

The previous prime is 318420164987. The next prime is 318420164999. The reversal of 318420164990 is 99461024813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318420164999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101545 + ... + 1360235.

It is an arithmetic number, because the mean of its divisors is an integer number (18139224348).

Almost surely, 2^318420164990 is an apocalyptic number.

318420164990 is a deficient number, since it is larger than the sum of its proper divisors (262035014146).

318420164990 is a wasteful number, since it uses less digits than its factorization.

318420164990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260264.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 318420164990 in words is "three hundred eighteen billion, four hundred twenty million, one hundred sixty-four thousand, nine hundred ninety".