667074040737 has 24 divisors (see below), whose sum is σ = 963215229600. Its totient is φ = 410463451008.

The previous prime is 667074040697. The next prime is 667074040813. The reversal of 667074040737 is 737040470766.

It is not a de Polignac number, because 667074040737 - 2¹⁹ = 667073516449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667074040737.

It is not an unprimeable number, because it can be changed into a prime (667074040537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5075589 + ... + 5205357.

It is an arithmetic number, because the mean of its divisors is an integer number (40133967900).

Almost surely, 2^667074040737 is an apocalyptic number.

It is an amenable number.

667074040737 is a deficient number, since it is larger than the sum of its proper divisors (296141188863).

667074040737 is a wasteful number, since it uses less digits than its factorization.

667074040737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139937 (or 139924 counting only the distinct ones).

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

The spelling of 667074040737 in words is "six hundred sixty-seven billion, seventy-four million, forty thousand, seven hundred thirty-seven".