161536284 has 108 divisors (see below), whose sum is σ = 505451856. Its totient is φ = 42591744.

The previous prime is 161536283. The next prime is 161536301. The reversal of 161536284 is 482635161.

It is a happy number.

161536284 is a `hidden beast` number, since 1 + 615 + 36 + 2 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161536283) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40692 + ... + 44484.

Almost surely, 2^161536284 is an apocalyptic number.

161536284 is a gapful number since it is divisible by the number (14) 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 161536284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252725928).

161536284 is an abundant number, since it is smaller than the sum of its proper divisors (343915572).

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

161536284 is a wasteful number, since it uses less digits than its factorization.

161536284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836 (or 3818 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 161536284 is about 12709.6925218512. The cubic root of 161536284 is about 544.6155400931.

The spelling of 161536284 in words is "one hundred sixty-one million, five hundred thirty-six thousand, two hundred eighty-four".