664374514 has 16 divisors (see below), whose sum is σ = 1040944320. Its totient is φ = 317615760.

The previous prime is 664374499. The next prime is 664374541. The reversal of 664374514 is 415473466.

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, 49632 + ... + 61579.

It is an arithmetic number, because the mean of its divisors is an integer number (65059020).

Almost surely, 2^664374514 is an apocalyptic number.

664374514 is a deficient number, since it is larger than the sum of its proper divisors (376569806).

664374514 is a wasteful number, since it uses less digits than its factorization.

664374514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111345.

The product of its digits is 241920, while the sum is 40.

The square root of 664374514 is about 25775.4634099952. The cubic root of 664374514 is about 872.5781252036.

The spelling of 664374514 in words is "six hundred sixty-four million, three hundred seventy-four thousand, five hundred fourteen".