667335516 has 48 divisors (see below), whose sum is σ = 1629089280. Its totient is φ = 212394880.

The previous prime is 667335509. The next prime is 667335517. The reversal of 667335516 is 615533766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667335517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8695 + ... + 37553.

It is an arithmetic number, because the mean of its divisors is an integer number (33939360).

Almost surely, 2^667335516 is an apocalyptic number.

It is an amenable number.

667335516 is an abundant number, since it is smaller than the sum of its proper divisors (961753764).

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

667335516 is a wasteful number, since it uses less digits than its factorization.

667335516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28954 (or 28952 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 667335516 is about 25832.8379393360. The cubic root of 667335516 is about 873.8725139453.

The spelling of 667335516 in words is "six hundred sixty-seven million, three hundred thirty-five thousand, five hundred sixteen".