667481352 has 32 divisors (see below), whose sum is σ = 1688813280. Its totient is φ = 219812480.

The previous prime is 667481341. The next prime is 667481377. The reversal of 667481352 is 253184766.

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, 165549 + ... + 169532.

It is an arithmetic number, because the mean of its divisors is an integer number (52775415).

Almost surely, 2^667481352 is an apocalyptic number.

It is an amenable number.

667481352 is an abundant number, since it is smaller than the sum of its proper divisors (1021331928).

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

667481352 is a wasteful number, since it uses less digits than its factorization.

667481352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335173 (or 335169 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 667481352 is about 25835.6604715266. The cubic root of 667481352 is about 873.9361664792.

The spelling of 667481352 in words is "six hundred sixty-seven million, four hundred eighty-one thousand, three hundred fifty-two".