667253831137 has 8 divisors (see below), whose sum is σ = 706524260832. Its totient is φ = 627985646400.

The previous prime is 667253831119. The next prime is 667253831149. The reversal of 667253831137 is 731138352766.

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 667253831137 - 2¹¹ = 667253829089 is a prime.

It is a super-2 number, since 2×667253831137² (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 (667253831117) 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, 71062 + ... + 1157392.

It is an arithmetic number, because the mean of its divisors is an integer number (88315532604).

Almost surely, 2^667253831137 is an apocalyptic number.

It is an amenable number.

667253831137 is a deficient number, since it is larger than the sum of its proper divisors (39270429695).

667253831137 is a wasteful number, since it uses less digits than its factorization.

667253831137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122479.

The product of its digits is 3810240, while the sum is 52.

The spelling of 667253831137 in words is "six hundred sixty-seven billion, two hundred fifty-three million, eight hundred thirty-one thousand, one hundred thirty-seven".