216100016057 has 2 divisors, whose sum is σ = 216100016058. Its totient is φ = 216100016056.

The previous prime is 216100016047. The next prime is 216100016063. The reversal of 216100016057 is 750610001612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131951289001 + 84148727056 = 363251^2 + 290084^2 .

It is a cyclic number.

It is not a de Polignac number, because 216100016057 - 2¹⁸ = 216099753913 is a prime.

It is not a weakly prime, because it can be changed into another prime (216100016047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108050008028 + 108050008029.

It is an arithmetic number, because the mean of its divisors is an integer number (108050008029).

Almost surely, 2^216100016057 is an apocalyptic number.

It is an amenable number.

216100016057 is a deficient number, since it is larger than the sum of its proper divisors (1).

216100016057 is an equidigital number, since it uses as much as digits as its factorization.

216100016057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 216100016057 its reverse (750610001612), we get a palindrome (966710017669).

It can be divided in two parts, 21610001605 and 7, that added together give a palindrome (21610001612).

The spelling of 216100016057 in words is "two hundred sixteen billion, one hundred million, sixteen thousand, fifty-seven".