516661226 has 8 divisors (see below), whose sum is σ = 775232640. Its totient is φ = 258250348.

The previous prime is 516661219. The next prime is 516661241. The reversal of 516661226 is 622166615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31736 + ... + 45171.

It is an arithmetic number, because the mean of its divisors is an integer number (96904080).

Almost surely, 2^516661226 is an apocalyptic number.

516661226 is a deficient number, since it is larger than the sum of its proper divisors (258571414).

516661226 is a wasteful number, since it uses less digits than its factorization.

516661226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80268.

The product of its digits is 25920, while the sum is 35.

The square root of 516661226 is about 22730.1831492841. The cubic root of 516661226 is about 802.4203916204.

The spelling of 516661226 in words is "five hundred sixteen million, six hundred sixty-one thousand, two hundred twenty-six".