666667003374 has 24 divisors (see below), whose sum is σ = 1479675545712. Its totient is φ = 216802277280.

The previous prime is 666667003367. The next prime is 666667003421. The reversal of 666667003374 is 473300766666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 666667003374.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451670674 + ... + 451672149.

It is an arithmetic number, because the mean of its divisors is an integer number (61653147738).

Almost surely, 2^666667003374 is an apocalyptic number.

666667003374 is an abundant number, since it is smaller than the sum of its proper divisors (813008542338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666667003374 is a wasteful number, since it uses less digits than its factorization.

666667003374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903342872 (or 903342869 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 54.

The spelling of 666667003374 in words is "six hundred sixty-six billion, six hundred sixty-seven million, three thousand, three hundred seventy-four".