160641659905 has 32 divisors (see below), whose sum is σ = 197772059520. Its totient is φ = 125226984960.

The previous prime is 160641659897. The next prime is 160641659909. The reversal of 160641659905 is 509956146061.

It is a happy number.

It is not a de Polignac number, because 160641659905 - 2³ = 160641659897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160641659909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13078627 + ... + 13090903.

It is an arithmetic number, because the mean of its divisors is an integer number (6180376860).

Almost surely, 2^160641659905 is an apocalyptic number.

It is an amenable number.

160641659905 is a deficient number, since it is larger than the sum of its proper divisors (37130399615).

160641659905 is a wasteful number, since it uses less digits than its factorization.

160641659905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 160641659905 in words is "one hundred sixty billion, six hundred forty-one million, six hundred fifty-nine thousand, nine hundred five".