516891464 has 32 divisors (see below), whose sum is σ = 983949120. Its totient is φ = 254525376.

The previous prime is 516891461. The next prime is 516891467. The reversal of 516891464 is 464198615.

It is an interprime number because it is at equal distance from previous prime (516891461) and next prime (516891467).

It is not an unprimeable number, because it can be changed into a prime (516891461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246629 + ... + 248715.

It is an arithmetic number, because the mean of its divisors is an integer number (30748410).

Almost surely, 2^516891464 is an apocalyptic number.

It is an amenable number.

516891464 is a deficient number, since it is larger than the sum of its proper divisors (467057656).

516891464 is a wasteful number, since it uses less digits than its factorization.

516891464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2545 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 516891464 is about 22735.2471726172. The cubic root of 516891464 is about 802.5395672174.

The spelling of 516891464 in words is "five hundred sixteen million, eight hundred ninety-one thousand, four hundred sixty-four".