516542101651625 has 32 divisors (see below), whose sum is σ = 760502317885440. Its totient is φ = 342774482184000.

The previous prime is 516542101651567. The next prime is 516542101651627. The reversal of 516542101651625 is 526156101245615.

It is a happy number.

It is not a de Polignac number, because 516542101651625 - 2⁸ = 516542101651369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516542101651627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9521486270 + ... + 9521540519.

It is an arithmetic number, because the mean of its divisors is an integer number (23765697433920).

Almost surely, 2^{516542101651625} is an apocalyptic number.

It is an amenable number.

516542101651625 is a deficient number, since it is larger than the sum of its proper divisors (243960216233815).

516542101651625 is a wasteful number, since it uses less digits than its factorization.

516542101651625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19043026842 (or 19043026832 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 516542101651625 in words is "five hundred sixteen trillion, five hundred forty-two billion, one hundred one million, six hundred fifty-one thousand, six hundred twenty-five".