667017471732 has 48 divisors (see below), whose sum is σ = 1598670861312. Its totient is φ = 216298512000.

The previous prime is 667017471689. The next prime is 667017471781. The reversal of 667017471732 is 237174710766.

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 15 ways as a sum of consecutive naturals, for example, 3047982 + ... + 3259482.

It is an arithmetic number, because the mean of its divisors is an integer number (33305642944).

Almost surely, 2^667017471732 is an apocalyptic number.

It is an amenable number.

667017471732 is an abundant number, since it is smaller than the sum of its proper divisors (931653389580).

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

667017471732 is a wasteful number, since it uses less digits than its factorization.

667017471732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218648 (or 218646 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 667017471732 in words is "six hundred sixty-seven billion, seventeen million, four hundred seventy-one thousand, seven hundred thirty-two".