16016559057 has 10 divisors (see below), whose sum is σ = 23925971058. Its totient is φ = 10677705984.

The previous prime is 16016559049. The next prime is 16016559071. The reversal of 16016559057 is 75095561061.

16016559057 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 6 + 5 + 590 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14990574096 + 1025984961 = 122436^2 + 32031^2 .

It is not a de Polignac number, because 16016559057 - 2³ = 16016559049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16016559037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 98867568 + ... + 98867729.

Almost surely, 2^16016559057 is an apocalyptic number.

It is an amenable number.

16016559057 is a deficient number, since it is larger than the sum of its proper divisors (7909412001).

16016559057 is an equidigital number, since it uses as much as digits as its factorization.

16016559057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197735309 (or 197735300 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The spelling of 16016559057 in words is "sixteen billion, sixteen million, five hundred fifty-nine thousand, fifty-seven".