160952992281 has 6 divisors (see below), whose sum is σ = 232487655530. Its totient is φ = 107301994848.

The previous prime is 160952992273. The next prime is 160952992327. The reversal of 160952992281 is 182299259061.

160952992281 is a `hidden beast` number, since 1 + 6 + 0 + 9 + 529 + 92 + 28 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106262960400 + 54690031881 = 325980^2 + 233859^2 .

It is not a de Polignac number, because 160952992281 - 2³ = 160952992273 is a prime.

It is a super-2 number, since 2×160952992281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160952992201) 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, 8941832896 + ... + 8941832913.

Almost surely, 2^160952992281 is an apocalyptic number.

It is an amenable number.

160952992281 is a deficient number, since it is larger than the sum of its proper divisors (71534663249).

160952992281 is a wasteful number, since it uses less digits than its factorization.

160952992281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17883665815 (or 17883665812 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 160952992281 in words is "one hundred sixty billion, nine hundred fifty-two million, nine hundred ninety-two thousand, two hundred eighty-one".