667231405005 has 64 divisors (see below), whose sum is σ = 1170943361280. Its totient is φ = 321754368000.

The previous prime is 667231404977. The next prime is 667231405021. The reversal of 667231405005 is 500504132766.

It is not a de Polignac number, because 667231405005 - 2⁷ = 667231404877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26662879 + ... + 26687891.

It is an arithmetic number, because the mean of its divisors is an integer number (18295990020).

Almost surely, 2^667231405005 is an apocalyptic number.

It is an amenable number.

667231405005 is a deficient number, since it is larger than the sum of its proper divisors (503711956275).

667231405005 is a wasteful number, since it uses less digits than its factorization.

667231405005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25902.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 667231405005 in words is "six hundred sixty-seven billion, two hundred thirty-one million, four hundred five thousand, five".