667341456 has 20 divisors (see below), whose sum is σ = 1723965552. Its totient is φ = 222447136.

The previous prime is 667341431. The next prime is 667341469. The reversal of 667341456 is 654143766.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951426 + ... + 6951521.

Almost surely, 2^667341456 is an apocalyptic number.

It is an amenable number.

667341456 is an abundant number, since it is smaller than the sum of its proper divisors (1056624096).

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

667341456 is a wasteful number, since it uses less digits than its factorization.

667341456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902958 (or 13902952 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 667341456 is about 25832.9529090269. The cubic root of 667341456 is about 873.8751067377.

The spelling of 667341456 in words is "six hundred sixty-seven million, three hundred forty-one thousand, four hundred fifty-six".