516623122317777 has 16 divisors (see below), whose sum is σ = 689102686694400. Its totient is φ = 344279495394000.

The previous prime is 516623122317703. The next prime is 516623122317791. The reversal of 516623122317777 is 777713221326615.

It is a happy number.

It is not a de Polignac number, because 516623122317777 - 2¹⁶ = 516623122252241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516623122317777.

It is not an unprimeable number, because it can be changed into a prime (516623122317277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232088724 + ... + 234304122.

It is an arithmetic number, because the mean of its divisors is an integer number (43068917918400).

Almost surely, 2^{516623122317777} is an apocalyptic number.

It is an amenable number.

516623122317777 is a deficient number, since it is larger than the sum of its proper divisors (172479564376623).

516623122317777 is a wasteful number, since it uses less digits than its factorization.

516623122317777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246044.

The product of its digits is 31116960, while the sum is 60.

The spelling of 516623122317777 in words is "five hundred sixteen trillion, six hundred twenty-three billion, one hundred twenty-two million, three hundred seventeen thousand, seven hundred seventy-seven".