667283391034 has 16 divisors (see below), whose sum is σ = 1081363168872. Its totient is φ = 306992994048.

The previous prime is 667283391031. The next prime is 667283391041. The reversal of 667283391034 is 430193382766.

It can be written as a sum of positive squares in 4 ways, for example, as 422805555225 + 244477835809 = 650235^2 + 494447^2 .

It is not an unprimeable number, because it can be changed into a prime (667283391031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40989859 + ... + 41006134.

Almost surely, 2^667283391034 is an apocalyptic number.

667283391034 is a deficient number, since it is larger than the sum of its proper divisors (414079777838).

667283391034 is a wasteful number, since it uses less digits than its factorization.

667283391034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81996321.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 667283391034 in words is "six hundred sixty-seven billion, two hundred eighty-three million, three hundred ninety-one thousand, thirty-four".