516456495 has 24 divisors (see below), whose sum is σ = 895851216. Its totient is φ = 275240448.

The previous prime is 516456491. The next prime is 516456503. The reversal of 516456495 is 594654615.

516456495 is a `hidden beast` number, since 51 + 64 + 56 + 495 = 666.

It is not a de Polignac number, because 516456495 - 2² = 516456491 is a prime.

It is a super-2 number, since 2×516456495² = 533454622455370050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 516456495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516456491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72984 + ... + 79746.

It is an arithmetic number, because the mean of its divisors is an integer number (37327134).

Almost surely, 2^516456495 is an apocalyptic number.

516456495 is a deficient number, since it is larger than the sum of its proper divisors (379394721).

516456495 is a wasteful number, since it uses less digits than its factorization.

516456495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471 (or 8468 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 516456495 is about 22725.6791977710. The cubic root of 516456495 is about 802.3143891925.

It can be divided in two parts, 51 and 6456495, that added together give a palindrome (6456546).

The spelling of 516456495 in words is "five hundred sixteen million, four hundred fifty-six thousand, four hundred ninety-five".