161160160401 has 24 divisors (see below), whose sum is σ = 243268671360. Its totient is φ = 102708690336.

The previous prime is 161160160397. The next prime is 161160160417. The reversal of 161160160401 is 104061061161.

It is a happy number.

161160160401 is a `hidden beast` number, since 1 + 6 + 11 + 601 + 6 + 0 + 40 + 1 = 666.

It is not a de Polignac number, because 161160160401 - 2² = 161160160397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161160160001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4411966 + ... + 4448343.

It is an arithmetic number, because the mean of its divisors is an integer number (10136194640).

Almost surely, 2^161160160401 is an apocalyptic number.

It is an amenable number.

161160160401 is a deficient number, since it is larger than the sum of its proper divisors (82108510959).

161160160401 is a wasteful number, since it uses less digits than its factorization.

161160160401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860405 (or 8860402 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 161160160401 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred sixty thousand, four hundred one".