667487480736 has 48 divisors (see below), whose sum is σ = 1760458740768. Its totient is φ = 221441337600.

The previous prime is 667487480663. The next prime is 667487480747. The reversal of 667487480736 is 637084784766.

667487480736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×667487480736² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16456035 + ... + 16496546.

It is an arithmetic number, because the mean of its divisors is an integer number (36676223766).

Almost surely, 2^667487480736 is an apocalyptic number.

It is an amenable number.

667487480736 is an abundant number, since it is smaller than the sum of its proper divisors (1092971260032).

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

667487480736 is a wasteful number, since it uses less digits than its factorization.

667487480736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32952805 (or 32952797 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 66.

The spelling of 667487480736 in words is "six hundred sixty-seven billion, four hundred eighty-seven million, four hundred eighty thousand, seven hundred thirty-six".