666666734074 has 16 divisors (see below), whose sum is σ = 1148325475680. Its totient is φ = 287081368560.

The previous prime is 666666734057. The next prime is 666666734087. The reversal of 666666734074 is 470437666666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797447829 + ... + 797448664.

It is an arithmetic number, because the mean of its divisors is an integer number (71770342230).

Almost surely, 2^666666734074 is an apocalyptic number.

666666734074 is a deficient number, since it is larger than the sum of its proper divisors (481658741606).

666666734074 is a wasteful number, since it uses less digits than its factorization.

666666734074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594896525.

The product of its (nonzero) digits is 109734912, while the sum is 61.

The spelling of 666666734074 in words is "six hundred sixty-six billion, six hundred sixty-six million, seven hundred thirty-four thousand, seventy-four".