161160912 has 120 divisors (see below), whose sum is σ = 499307328. Its totient is φ = 48115200.

The previous prime is 161160911. The next prime is 161160913. The reversal of 161160912 is 219061161.

161160912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161160911) and next prime (161160913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161160911) 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, 111748 + ... + 113180.

Almost surely, 2^161160912 is an apocalyptic number.

161160912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161160912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249653664).

161160912 is an abundant number, since it is smaller than the sum of its proper divisors (338146416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161160912 is a wasteful number, since it uses less digits than its factorization.

161160912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 161160912 is about 12694.9167779864. The cubic root of 161160912 is about 544.1933604733.

The spelling of 161160912 in words is "one hundred sixty-one million, one hundred sixty thousand, nine hundred twelve".