667667662474 has 8 divisors (see below), whose sum is σ = 1015607148768. Its totient is φ = 329131946220.

The previous prime is 667667662457. The next prime is 667667662513. The reversal of 667667662474 is 474266766766.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2350942332 + ... + 2350942615.

It is an arithmetic number, because the mean of its divisors is an integer number (126950893596).

Almost surely, 2^667667662474 is an apocalyptic number.

667667662474 is a deficient number, since it is larger than the sum of its proper divisors (347939486294).

667667662474 is a wasteful number, since it uses less digits than its factorization.

667667662474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701885020.

The product of its digits is 512096256, while the sum is 67.

The spelling of 667667662474 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, six hundred sixty-two thousand, four hundred seventy-four".