161341164 has 72 divisors (see below), whose sum is σ = 426163920. Its totient is φ = 51414912.

The previous prime is 161341153. The next prime is 161341183. The reversal of 161341164 is 461143161.

161341164 is a `hidden beast` number, since 1 + 613 + 41 + 1 + 6 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77562 + ... + 79614.

Almost surely, 2^161341164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161341164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213081960).

161341164 is an abundant number, since it is smaller than the sum of its proper divisors (264822756).

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

161341164 is a wasteful number, since it uses less digits than its factorization.

161341164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2154 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 161341164 is about 12702.0141709888. The cubic root of 161341164 is about 544.3961710111.

The spelling of 161341164 in words is "one hundred sixty-one million, three hundred forty-one thousand, one hundred sixty-four".