667283735296 has 54 divisors (see below), whose sum is σ = 1365240987236. Its totient is φ = 325504051200.

The previous prime is 667283735257. The next prime is 667283735323. The reversal of 667283735296 is 692537382766.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344970 + ... + 1205641.

Almost surely, 2^667283735296 is an apocalyptic number.

It is an amenable number.

667283735296 is an abundant number, since it is smaller than the sum of its proper divisors (697957251940).

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

667283735296 is an equidigital number, since it uses as much as digits as its factorization.

667283735296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550709 (or 1550654 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 64.

The spelling of 667283735296 in words is "six hundred sixty-seven billion, two hundred eighty-three million, seven hundred thirty-five thousand, two hundred ninety-six".