516071646 has 24 divisors (see below), whose sum is σ = 1156713480. Its totient is φ = 166091856.

The previous prime is 516071603. The next prime is 516071693. The reversal of 516071646 is 646170615.

516071646 is a `hidden beast` number, since 5 + 1 + 6 + 0 + 7 + 1 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 516071646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493800 + ... + 494843.

It is an arithmetic number, because the mean of its divisors is an integer number (48196395).

Almost surely, 2^516071646 is an apocalyptic number.

516071646 is an abundant number, since it is smaller than the sum of its proper divisors (640641834).

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

516071646 is a wasteful number, since it uses less digits than its factorization.

516071646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988680 (or 988677 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 516071646 is about 22717.2103481039. The cubic root of 516071646 is about 802.1150522230.

The spelling of 516071646 in words is "five hundred sixteen million, seventy-one thousand, six hundred forty-six".