162161153 has 24 divisors (see below), whose sum is σ = 205508160. Its totient is φ = 124299360.

The previous prime is 162161149. The next prime is 162161159. The reversal of 162161153 is 351161261.

It is not a de Polignac number, because 162161153 - 2² = 162161149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162161159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166558 + ... + 1166696.

It is an arithmetic number, because the mean of its divisors is an integer number (8562840).

Almost surely, 2^162161153 is an apocalyptic number.

It is an amenable number.

162161153 is a deficient number, since it is larger than the sum of its proper divisors (43347007).

162161153 is a wasteful number, since it uses less digits than its factorization.

162161153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 266 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 162161153 is about 12734.2511754716. The cubic root of 162161153 is about 545.3168799406.

The spelling of 162161153 in words is "one hundred sixty-two million, one hundred sixty-one thousand, one hundred fifty-three".