667664262334 has 8 divisors (see below), whose sum is σ = 1007091345960. Its totient is φ = 331967147016.

The previous prime is 667664262329. The next prime is 667664262401. The reversal of 667664262334 is 433262466766.

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

It is a super-2 number, since 2×667664262334² (a number of 24 digits) contains 22 as substring.

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, 932491629 + ... + 932492344.

It is an arithmetic number, because the mean of its divisors is an integer number (125886418245).

Almost surely, 2^667664262334 is an apocalyptic number.

667664262334 is a deficient number, since it is larger than the sum of its proper divisors (339427083626).

667664262334 is a wasteful number, since it uses less digits than its factorization.

667664262334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864984154.

The product of its digits is 31352832, while the sum is 55.

The spelling of 667664262334 in words is "six hundred sixty-seven billion, six hundred sixty-four million, two hundred sixty-two thousand, three hundred thirty-four".