667672624500 has 96 divisors (see below), whose sum is σ = 2222014529280. Its totient is φ = 152610883200.

The previous prime is 667672624447. The next prime is 667672624513. The reversal of 667672624500 is 5426276766.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 31783435 + ... + 31804434.

It is an arithmetic number, because the mean of its divisors is an integer number (23145984680).

Almost surely, 2^667672624500 is an apocalyptic number.

667672624500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667672624500 is an abundant number, since it is smaller than the sum of its proper divisors (1554341904780).

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

667672624500 is a wasteful number, since it uses less digits than its factorization.

667672624500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63587898 (or 63587886 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 667672624500 in words is "six hundred sixty-seven billion, six hundred seventy-two million, six hundred twenty-four thousand, five hundred".