667460403789 has 32 divisors (see below), whose sum is σ = 914823383040. Its totient is φ = 432661450752.

The previous prime is 667460403737. The next prime is 667460403791. The reversal of 667460403789 is 987304064766.

It is a happy number.

It is not a de Polignac number, because 667460403789 - 2¹³ = 667460395597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667460402789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84090829 + ... + 84098765.

It is an arithmetic number, because the mean of its divisors is an integer number (28588230720).

Almost surely, 2^667460403789 is an apocalyptic number.

It is an amenable number.

667460403789 is a deficient number, since it is larger than the sum of its proper divisors (247362979251).

667460403789 is a wasteful number, since it uses less digits than its factorization.

667460403789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11809.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 667460403789 in words is "six hundred sixty-seven billion, four hundred sixty million, four hundred three thousand, seven hundred eighty-nine".