667407074037 has 16 divisors (see below), whose sum is σ = 970795058688. Its totient is φ = 404480330480.

The previous prime is 667407074021. The next prime is 667407074051. The reversal of 667407074037 is 730470704766.

It is a cyclic number.

It is not a de Polignac number, because 667407074037 - 2⁴ = 667407074021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667407074057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525318 + ... + 1913480.

It is an arithmetic number, because the mean of its divisors is an integer number (60674691168).

Almost surely, 2^667407074037 is an apocalyptic number.

It is an amenable number.

667407074037 is a deficient number, since it is larger than the sum of its proper divisors (303387984651).

667407074037 is a wasteful number, since it uses less digits than its factorization.

667407074037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440280.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 667407074037 in words is "six hundred sixty-seven billion, four hundred seven million, seventy-four thousand, thirty-seven".