160506555621057 has 6 divisors (see below), whose sum is σ = 231842802563762. Its totient is φ = 107004370414032.

The previous prime is 160506555621053. The next prime is 160506555621089. The reversal of 160506555621057 is 750126555605061.

160506555621057 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 0 + 6 + 5 + 5 + 5 + 621 + 0 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150060932004096 + 10445623616961 = 12249936^2 + 3231969^2 .

It is not a de Polignac number, because 160506555621057 - 2² = 160506555621053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160506555620994 and 160506555621012.

It is not an unprimeable number, because it can be changed into a prime (160506555621053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8917030867828 + ... + 8917030867845.

Almost surely, 2^{160506555621057} is an apocalyptic number.

It is an amenable number.

160506555621057 is a deficient number, since it is larger than the sum of its proper divisors (71336246942705).

160506555621057 is a wasteful number, since it uses less digits than its factorization.

160506555621057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834061735679 (or 17834061735676 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 54.

The spelling of 160506555621057 in words is "one hundred sixty trillion, five hundred six billion, five hundred fifty-five million, six hundred twenty-one thousand, fifty-seven".