667464338488 has 64 divisors (see below), whose sum is σ = 1335035520000. Its totient is φ = 312305976192.

The previous prime is 667464338461. The next prime is 667464338503. The reversal of 667464338488 is 884833464766.

It is a super-2 number, since 2×667464338488² (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 15 ways as a sum of consecutive naturals, for example, 825963 + ... + 1420261.

It is an arithmetic number, because the mean of its divisors is an integer number (20859930000).

Almost surely, 2^667464338488 is an apocalyptic number.

It is an amenable number.

667464338488 is an abundant number, since it is smaller than the sum of its proper divisors (667571181512).

667464338488 is a wasteful number, since it uses less digits than its factorization.

667464338488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594484 (or 594480 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 67.

The spelling of 667464338488 in words is "six hundred sixty-seven billion, four hundred sixty-four million, three hundred thirty-eight thousand, four hundred eighty-eight".