16616716525057 has 16 divisors (see below), whose sum is σ = 18157395412800. Its totient is φ = 15081066411840.

The previous prime is 16616716525037. The next prime is 16616716525069. The reversal of 16616716525057 is 75052561761661.

16616716525057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16616716525057 - 2¹⁵ = 16616716492289 is a prime.

It is a super-2 number, since 2×16616716525057² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16616716524992 and 16616716525010.

It is not an unprimeable number, because it can be changed into a prime (16616716525037) 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, 18738663 + ... + 19605379.

It is an arithmetic number, because the mean of its divisors is an integer number (1134837213300).

Almost surely, 2^{16616716525057} is an apocalyptic number.

It is an amenable number.

16616716525057 is a deficient number, since it is larger than the sum of its proper divisors (1540678887743).

16616716525057 is a wasteful number, since it uses less digits than its factorization.

16616716525057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869616.

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 16616716525057 in words is "sixteen trillion, six hundred sixteen billion, seven hundred sixteen million, five hundred twenty-five thousand, fifty-seven".