516117642 has 16 divisors (see below), whose sum is σ = 1036785312. Its totient is φ = 171280880.

The previous prime is 516117629. The next prime is 516117649. The reversal of 516117642 is 246711615.

It is not an unprimeable number, because it can be changed into a prime (516117649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188109 + ... + 190832.

It is an arithmetic number, because the mean of its divisors is an integer number (64799082).

Almost surely, 2^516117642 is an apocalyptic number.

516117642 is an abundant number, since it is smaller than the sum of its proper divisors (520667670).

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

516117642 is a wasteful number, since it uses less digits than its factorization.

516117642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379173.

The product of its digits is 10080, while the sum is 33.

The square root of 516117642 is about 22718.2226857648. Note that the first 3 decimals coincide. The cubic root of 516117642 is about 802.1388815939.

The spelling of 516117642 in words is "five hundred sixteen million, one hundred seventeen thousand, six hundred forty-two".