667370670737 has 8 divisors (see below), whose sum is σ = 696827855040. Its totient is φ = 637950242160.

The previous prime is 667370670719. The next prime is 667370670749. The reversal of 667370670737 is 737076073766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667370670737 is a prime.

It is a super-2 number, since 2×667370670737² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667370670767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9151814 + ... + 9224447.

It is an arithmetic number, because the mean of its divisors is an integer number (87103481880).

Almost surely, 2^667370670737 is an apocalyptic number.

It is an amenable number.

667370670737 is a deficient number, since it is larger than the sum of its proper divisors (29457184303).

667370670737 is a wasteful number, since it uses less digits than its factorization.

667370670737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18377863.

The product of its (nonzero) digits is 32672808, while the sum is 59.

The spelling of 667370670737 in words is "six hundred sixty-seven billion, three hundred seventy million, six hundred seventy thousand, seven hundred thirty-seven".