516649902 has 32 divisors (see below), whose sum is σ = 1075282560. Its totient is φ = 165355680.

The previous prime is 516649891. The next prime is 516649909. The reversal of 516649902 is 209946615.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516649909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749 + ... + 32192.

It is an arithmetic number, because the mean of its divisors is an integer number (33602580).

Almost surely, 2^516649902 is an apocalyptic number.

516649902 is an abundant number, since it is smaller than the sum of its proper divisors (558632658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516649902 is a wasteful number, since it uses less digits than its factorization.

516649902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 516649902 is about 22729.9340518181. The cubic root of 516649902 is about 802.4145291878.

The spelling of 516649902 in words is "five hundred sixteen million, six hundred forty-nine thousand, nine hundred two".