516636412 has 12 divisors (see below), whose sum is σ = 913066056. Its totient is φ = 255760400.

The previous prime is 516636401. The next prime is 516636431. The reversal of 516636412 is 214636615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638998 + ... + 639805.

It is an arithmetic number, because the mean of its divisors is an integer number (76088838).

Almost surely, 2^516636412 is an apocalyptic number.

It is an amenable number.

516636412 is a deficient number, since it is larger than the sum of its proper divisors (396429644).

516636412 is a wasteful number, since it uses less digits than its factorization.

516636412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278908 (or 1278906 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 516636412 is about 22729.6373046294. The cubic root of 516636412 is about 802.4075453055.

The spelling of 516636412 in words is "five hundred sixteen million, six hundred thirty-six thousand, four hundred twelve".