667406667334 has 8 divisors (see below), whose sum is σ = 1092120001128. Its totient is φ = 303366666960.

The previous prime is 667406667307. The next prime is 667406667349. The reversal of 667406667334 is 433766604766.

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

It is a congruent number.

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, 15168333327 + ... + 15168333370.

It is an arithmetic number, because the mean of its divisors is an integer number (136515000141).

Almost surely, 2^667406667334 is an apocalyptic number.

667406667334 is a deficient number, since it is larger than the sum of its proper divisors (424713333794).

667406667334 is a wasteful number, since it uses less digits than its factorization.

667406667334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30336666710.

The product of its (nonzero) digits is 54867456, while the sum is 58.

The spelling of 667406667334 in words is "six hundred sixty-seven billion, four hundred six million, six hundred sixty-seven thousand, three hundred thirty-four".