161160155 has 8 divisors (see below), whose sum is σ = 208268592. Its totient is φ = 119010528.

The previous prime is 161160137. The next prime is 161160157. The reversal of 161160155 is 551061161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161160155 - 2⁶ = 161160091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161160157) 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 7 ways as a sum of consecutive naturals, for example, 1239629 + ... + 1239758.

It is an arithmetic number, because the mean of its divisors is an integer number (26033574).

Almost surely, 2^161160155 is an apocalyptic number.

161160155 is a deficient number, since it is larger than the sum of its proper divisors (47108437).

161160155 is a wasteful number, since it uses less digits than its factorization.

161160155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479405.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 161160155 is about 12694.8869628682. The cubic root of 161160155 is about 544.1925084160.

The spelling of 161160155 in words is "one hundred sixty-one million, one hundred sixty thousand, one hundred fifty-five".