667231077006 has 48 divisors (see below), whose sum is σ = 1571422782384. Its totient is φ = 203383153152.

The previous prime is 667231076903. The next prime is 667231077043. The reversal of 667231077006 is 600770132766.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13299331 + ... + 13349406.

It is an arithmetic number, because the mean of its divisors is an integer number (32737974633).

Almost surely, 2^667231077006 is an apocalyptic number.

667231077006 is an abundant number, since it is smaller than the sum of its proper divisors (904191705378).

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

667231077006 is a wasteful number, since it uses less digits than its factorization.

667231077006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26648865 (or 26648862 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 667231077006 in words is "six hundred sixty-seven billion, two hundred thirty-one million, seventy-seven thousand, six".