667480716 has 192 divisors, whose sum is σ = 2150400000. Its totient is φ = 174726720.

The previous prime is 667480691. The next prime is 667480721. The reversal of 667480716 is 617084766.

667480716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444535 + ... + 446033.

It is an arithmetic number, because the mean of its divisors is an integer number (11200000).

Almost surely, 2^667480716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667480716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075200000).

667480716 is an abundant number, since it is smaller than the sum of its proper divisors (1482919284).

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

667480716 is a wasteful number, since it uses less digits than its factorization.

667480716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 667480716 is about 25835.6481629550. The cubic root of 667480716 is about 873.9358889066.

The spelling of 667480716 in words is "six hundred sixty-seven million, four hundred eighty thousand, seven hundred sixteen".