516456494 has 4 divisors (see below), whose sum is σ = 774684744. Its totient is φ = 258228246.

The previous prime is 516456491. The next prime is 516456503. The reversal of 516456494 is 494654615.

It is a semiprime because it is the product of two primes.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 129114122 + ... + 129114125.

It is an arithmetic number, because the mean of its divisors is an integer number (193671186).

Almost surely, 2^516456494 is an apocalyptic number.

516456494 is a deficient number, since it is larger than the sum of its proper divisors (258228250).

516456494 is a wasteful number, since it uses less digits than its factorization.

516456494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258228249.

The product of its digits is 518400, while the sum is 44.

The square root of 516456494 is about 22725.6791757694. The cubic root of 516456494 is about 802.3143886747.

The spelling of 516456494 in words is "five hundred sixteen million, four hundred fifty-six thousand, four hundred ninety-four".