667183484420 has 12 divisors (see below), whose sum is σ = 1401085317324. Its totient is φ = 266873393760.

The previous prime is 667183484333. The next prime is 667183484509. The reversal of 667183484420 is 24484381766.

It can be written as a sum of positive squares in 2 ways, for example, as 505688809924 + 161494674496 = 711118^2 + 401864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16679587091 + ... + 16679587130.

It is an arithmetic number, because the mean of its divisors is an integer number (116757109777).

Almost surely, 2^667183484420 is an apocalyptic number.

It is an amenable number.

667183484420 is an abundant number, since it is smaller than the sum of its proper divisors (733901832904).

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

667183484420 is a wasteful number, since it uses less digits than its factorization.

667183484420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33359174230 (or 33359174228 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 667183484420 in words is "six hundred sixty-seven billion, one hundred eighty-three million, four hundred eighty-four thousand, four hundred twenty".