516564542 has 16 divisors (see below), whose sum is σ = 842253552. Its totient is φ = 236184960.

The previous prime is 516564539. The next prime is 516564551. The reversal of 516564542 is 245465615.

It is a junction number, because it is equal to n+sod(n) for n = 516564496 and 516564505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90059 + ... + 95622.

It is an arithmetic number, because the mean of its divisors is an integer number (52640847).

Almost surely, 2^516564542 is an apocalyptic number.

516564542 is a deficient number, since it is larger than the sum of its proper divisors (325689010).

516564542 is a wasteful number, since it uses less digits than its factorization.

516564542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185803.

The product of its digits is 144000, while the sum is 38.

The square root of 516564542 is about 22728.0562741296. The cubic root of 516564542 is about 802.3703355753.

The spelling of 516564542 in words is "five hundred sixteen million, five hundred sixty-four thousand, five hundred forty-two".