516454164 has 24 divisors (see below), whose sum is σ = 1338955520. Its totient is φ = 172151352.

The previous prime is 516454139. The next prime is 516454171. The reversal of 516454164 is 461454615.

516454164 is a `hidden beast` number, since 5 + 1 + 645 + 4 + 1 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390884 + ... + 2391099.

Almost surely, 2^516454164 is an apocalyptic number.

516454164 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

516454164 is an abundant number, since it is smaller than the sum of its proper divisors (822501356).

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

516454164 is a wasteful number, since it uses less digits than its factorization.

516454164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781996 (or 4781988 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 516454164 is about 22725.6279121172. The cubic root of 516454164 is about 802.3131821224.

The spelling of 516454164 in words is "five hundred sixteen million, four hundred fifty-four thousand, one hundred sixty-four".