16252420600161 has 12 divisors (see below), whose sum is σ = 23478233033892. Its totient is φ = 10833786579456.

The previous prime is 16252420600151. The next prime is 16252420600181. The reversal of 16252420600161 is 16100602425261.

16252420600161 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 2 + 42 + 0 + 600 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6900787494225 + 9351633105936 = 2626935^2 + 3058044^2 .

It is not a de Polignac number, because 16252420600161 - 2⁷ = 16252420600033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16252420600151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96618576 + ... + 96786641.

It is an arithmetic number, because the mean of its divisors is an integer number (1956519419491).

Almost surely, 2^{16252420600161} is an apocalyptic number.

It is an amenable number.

16252420600161 is a deficient number, since it is larger than the sum of its proper divisors (7225812433731).

16252420600161 is a wasteful number, since it uses less digits than its factorization.

16252420600161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193414560 (or 193414557 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 16252420600161 in words is "sixteen trillion, two hundred fifty-two billion, four hundred twenty million, six hundred thousand, one hundred sixty-one".