660493214 has 16 divisors (see below), whose sum is σ = 1051736400. Its totient is φ = 310015104.

The previous prime is 660493193. The next prime is 660493217. The reversal of 660493214 is 412394066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660493217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11744 + ... + 38195.

It is an arithmetic number, because the mean of its divisors is an integer number (65733525).

Almost surely, 2^660493214 is an apocalyptic number.

660493214 is a deficient number, since it is larger than the sum of its proper divisors (391243186).

660493214 is a wasteful number, since it uses less digits than its factorization.

660493214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50347.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 660493214 is about 25700.0625291068. The cubic root of 660493214 is about 870.8755944561.

The spelling of 660493214 in words is "six hundred sixty million, four hundred ninety-three thousand, two hundred fourteen".