516535642 has 8 divisors (see below), whose sum is σ = 885489696. Its totient is φ = 221372412.

The previous prime is 516535639. The next prime is 516535697. The reversal of 516535642 is 246535615.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18447688 + ... + 18447715.

It is an arithmetic number, because the mean of its divisors is an integer number (110686212).

Almost surely, 2^516535642 is an apocalyptic number.

516535642 is a deficient number, since it is larger than the sum of its proper divisors (368954054).

516535642 is a wasteful number, since it uses less digits than its factorization.

516535642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36895412.

The product of its digits is 108000, while the sum is 37.

The square root of 516535642 is about 22727.4204871560. The cubic root of 516535642 is about 802.3553720142.

The spelling of 516535642 in words is "five hundred sixteen million, five hundred thirty-five thousand, six hundred forty-two".