667667004374 has 4 divisors (see below), whose sum is σ = 1001500506564. Its totient is φ = 333833502186.

The previous prime is 667667004371. The next prime is 667667004383. The reversal of 667667004374 is 473400766766.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667667004371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166916751092 + ... + 166916751095.

It is an arithmetic number, because the mean of its divisors is an integer number (250375126641).

Almost surely, 2^667667004374 is an apocalyptic number.

667667004374 is a deficient number, since it is larger than the sum of its proper divisors (333833502190).

667667004374 is a wasteful number, since it uses less digits than its factorization.

667667004374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333833502189.

The product of its (nonzero) digits is 21337344, while the sum is 56.

The spelling of 667667004374 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, four thousand, three hundred seventy-four".