667244330 has 16 divisors (see below), whose sum is σ = 1228971744. Its totient is φ = 260690640.

The previous prime is 667244317. The next prime is 667244353. The reversal of 667244330 is 33442766.

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, 775436 + ... + 776295.

It is an arithmetic number, because the mean of its divisors is an integer number (76810734).

Almost surely, 2^667244330 is an apocalyptic number.

667244330 is a deficient number, since it is larger than the sum of its proper divisors (561727414).

667244330 is a wasteful number, since it uses less digits than its factorization.

667244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551781.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 667244330 is about 25831.0729548736. The cubic root of 667244330 is about 873.8327095956.

The spelling of 667244330 in words is "six hundred sixty-seven million, two hundred forty-four thousand, three hundred thirty".