516189742 has 16 divisors (see below), whose sum is σ = 799875072. Its totient is φ = 249577560.

The previous prime is 516189719. The next prime is 516189743. The reversal of 516189742 is 247981615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516189743) 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, 110743 + ... + 115309.

It is an arithmetic number, because the mean of its divisors is an integer number (49992192).

Almost surely, 2^516189742 is an apocalyptic number.

516189742 is a deficient number, since it is larger than the sum of its proper divisors (283685330).

516189742 is a wasteful number, since it uses less digits than its factorization.

516189742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423.

The product of its digits is 120960, while the sum is 43.

The square root of 516189742 is about 22719.8094622292. The cubic root of 516189742 is about 802.1762319418.

The spelling of 516189742 in words is "five hundred sixteen million, one hundred eighty-nine thousand, seven hundred forty-two".