516665630 has 16 divisors (see below), whose sum is σ = 1001536704. Its totient is φ = 190768800.

The previous prime is 516665627. The next prime is 516665671. The reversal of 516665630 is 36566615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987046 + ... + 1987305.

It is an arithmetic number, because the mean of its divisors is an integer number (62596044).

Almost surely, 2^516665630 is an apocalyptic number.

516665630 is a deficient number, since it is larger than the sum of its proper divisors (484871074).

516665630 is a wasteful number, since it uses less digits than its factorization.

516665630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974371.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 516665630 is about 22730.2800246719. The cubic root of 516665630 is about 802.4226715472.

The spelling of 516665630 in words is "five hundred sixteen million, six hundred sixty-five thousand, six hundred thirty".