667007037340 has 24 divisors (see below), whose sum is σ = 1600816889952. Its totient is φ = 228688127040.

The previous prime is 667007037247. The next prime is 667007037391. The reversal of 667007037340 is 43730700766.

It is a super-2 number, since 2×667007037340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382167851 + ... + 2382168130.

It is an arithmetic number, because the mean of its divisors is an integer number (66700703748).

Almost surely, 2^667007037340 is an apocalyptic number.

It is an amenable number.

667007037340 is an abundant number, since it is smaller than the sum of its proper divisors (933809852612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667007037340 is a wasteful number, since it uses less digits than its factorization.

667007037340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764335997 (or 4764335995 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 43.

The spelling of 667007037340 in words is "six hundred sixty-seven billion, seven million, thirty-seven thousand, three hundred forty".