516400654 has 48 divisors (see below), whose sum is σ = 978130944. Its totient is φ = 200146320.

The previous prime is 516400649. The next prime is 516400667. The reversal of 516400654 is 456004615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377079 + ... + 378445.

It is an arithmetic number, because the mean of its divisors is an integer number (20377728).

Almost surely, 2^516400654 is an apocalyptic number.

516400654 is a deficient number, since it is larger than the sum of its proper divisors (461730290).

516400654 is a wasteful number, since it uses less digits than its factorization.

516400654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 516400654 is about 22724.4505764166. The cubic root of 516400654 is about 802.2854718471.

The spelling of 516400654 in words is "five hundred sixteen million, four hundred thousand, six hundred fifty-four".