667407474741 has 16 divisors (see below), whose sum is σ = 1037757008000. Its totient is φ = 381375699264.

The previous prime is 667407474733. The next prime is 667407474751. The reversal of 667407474741 is 147474704766.

It is not a de Polignac number, because 667407474741 - 2³ = 667407474733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667407474751) 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, 324298036 + ... + 324300093.

It is an arithmetic number, because the mean of its divisors is an integer number (64859813000).

Almost surely, 2^667407474741 is an apocalyptic number.

It is an amenable number.

667407474741 is a deficient number, since it is larger than the sum of its proper divisors (370349533259).

667407474741 is an equidigital number, since it uses as much as digits as its factorization.

667407474741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648598153 (or 648598139 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 57.

The spelling of 667407474741 in words is "six hundred sixty-seven billion, four hundred seven million, four hundred seventy-four thousand, seven hundred forty-one".