667111001074 has 12 divisors (see below), whose sum is σ = 1164040624494. Its totient is φ = 285904714704.

The previous prime is 667111001057. The next prime is 667111001101. The reversal of 667111001074 is 470100111766.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 634025210049 + 33085791025 = 796257^2 + 181895^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3403627459 + ... + 3403627654.

Almost surely, 2^667111001074 is an apocalyptic number.

667111001074 is a deficient number, since it is larger than the sum of its proper divisors (496929623420).

667111001074 is a wasteful number, since it uses less digits than its factorization.

667111001074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807255129 (or 6807255122 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 667111001074 in words is "six hundred sixty-seven billion, one hundred eleven million, one thousand, seventy-four".