667407474739 has 16 divisors (see below), whose sum is σ = 724662484992. Its totient is φ = 613018133728.

The previous prime is 667407474733. The next prime is 667407474751. The reversal of 667407474739 is 937474704766.

It is not a de Polignac number, because 667407474739 - 2⁵ = 667407474707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667407474733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5767219 + ... + 5881804.

It is an arithmetic number, because the mean of its divisors is an integer number (45291405312).

Almost surely, 2^667407474739 is an apocalyptic number.

667407474739 is a deficient number, since it is larger than the sum of its proper divisors (57255010253).

667407474739 is a wasteful number, since it uses less digits than its factorization.

667407474739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649146.

The product of its (nonzero) digits is 149361408, while the sum is 64.

The spelling of 667407474739 in words is "six hundred sixty-seven billion, four hundred seven million, four hundred seventy-four thousand, seven hundred thirty-nine".