667231405105 has 16 divisors (see below), whose sum is σ = 802195200000. Its totient is φ = 532773888192.

The previous prime is 667231405091. The next prime is 667231405147. The reversal of 667231405105 is 501504132766.

It is a cyclic number.

It is not a de Polignac number, because 667231405105 - 2⁷ = 667231404977 is a prime.

It is a super-2 number, since 2×667231405105² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13319896 + ... + 13369894.

It is an arithmetic number, because the mean of its divisors is an integer number (50137200000).

Almost surely, 2^667231405105 is an apocalyptic number.

It is an amenable number.

667231405105 is a deficient number, since it is larger than the sum of its proper divisors (134963794895).

667231405105 is a wasteful number, since it uses less digits than its factorization.

667231405105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55008.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 667231405105 in words is "six hundred sixty-seven billion, two hundred thirty-one million, four hundred five thousand, one hundred five".