667306352 has 20 divisors (see below), whose sum is σ = 1300843080. Its totient is φ = 331604928.

The previous prime is 667306349. The next prime is 667306369. The reversal of 667306352 is 253603766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125327 + ... + 130542.

It is an arithmetic number, because the mean of its divisors is an integer number (65042154).

Almost surely, 2^667306352 is an apocalyptic number.

It is an amenable number.

667306352 is a deficient number, since it is larger than the sum of its proper divisors (633536728).

667306352 is a wasteful number, since it uses less digits than its factorization.

667306352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256040 (or 256034 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 667306352 is about 25832.2734578279. The cubic root of 667306352 is about 873.8597837226.

The spelling of 667306352 in words is "six hundred sixty-seven million, three hundred six thousand, three hundred fifty-two".