16452772112057 has 2 divisors, whose sum is σ = 16452772112058. Its totient is φ = 16452772112056.

The previous prime is 16452772112047. The next prime is 16452772112069. The reversal of 16452772112057 is 75021127725461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12222267713296 + 4230504398761 = 3496036^2 + 2056819^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452772112057 - 2⁸ = 16452772111801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16452772111996 and 16452772112014.

It is not a weakly prime, because it can be changed into another prime (16452772112047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226386056028 + 8226386056029.

It is an arithmetic number, because the mean of its divisors is an integer number (8226386056029).

Almost surely, 2^{16452772112057} is an apocalyptic number.

It is an amenable number.

16452772112057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452772112057 is an equidigital number, since it uses as much as digits as its factorization.

16452772112057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 16452772112057 in words is "sixteen trillion, four hundred fifty-two billion, seven hundred seventy-two million, one hundred twelve thousand, fifty-seven".