667481185232 has 80 divisors (see below), whose sum is σ = 1322544560064. Its totient is φ = 326253312000.

The previous prime is 667481185207. The next prime is 667481185249. The reversal of 667481185232 is 232581184766.

It is a super-2 number, since 2×667481185232² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108866807 + ... + 108872937.

Almost surely, 2^667481185232 is an apocalyptic number.

It is an amenable number.

667481185232 is a deficient number, since it is larger than the sum of its proper divisors (655063374832).

667481185232 is a wasteful number, since it uses less digits than its factorization.

667481185232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 6862 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 667481185232 in words is "six hundred sixty-seven billion, four hundred eighty-one million, one hundred eighty-five thousand, two hundred thirty-two".