667883846373731 has 8 divisors (see below), whose sum is σ = 719273847744144. Its totient is φ = 616495890843360.

The previous prime is 667883846373707. The next prime is 667883846373743. The reversal of 667883846373731 is 137373648388766.

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

It is a cyclic number.

It is not a de Polignac number, because 667883846373731 - 2¹⁰ = 667883846372707 is a prime.

It is a super-2 number, since 2×667883846373731² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667883846373791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510781940 + ... + 512087841.

It is an arithmetic number, because the mean of its divisors is an integer number (89909230968018).

Almost surely, 2^{667883846373731} is an apocalyptic number.

667883846373731 is a deficient number, since it is larger than the sum of its proper divisors (51390001370413).

667883846373731 is a wasteful number, since it uses less digits than its factorization.

667883846373731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022920021.

The product of its digits is 12290310144, while the sum is 80.

The spelling of 667883846373731 in words is "six hundred sixty-seven trillion, eight hundred eighty-three billion, eight hundred forty-six million, three hundred seventy-three thousand, seven hundred thirty-one".