667360320 has 112 divisors (see below), whose sum is σ = 2311530048. Its totient is φ = 161781760.

The previous prime is 667360319. The next prime is 667360333. The reversal of 667360320 is 23063766.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21039 + ... + 42158.

Almost surely, 2^667360320 is an apocalyptic number.

667360320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667360320 is an abundant number, since it is smaller than the sum of its proper divisors (1644169728).

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

667360320 is a wasteful number, since it uses less digits than its factorization.

667360320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63228 (or 63218 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 667360320 is about 25833.3180215008. The cubic root of 667360320 is about 873.8833407158.

The spelling of 667360320 in words is "six hundred sixty-seven million, three hundred sixty thousand, three hundred twenty".