161982524 has 48 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 68745600.

The previous prime is 161982521. The next prime is 161982529. The reversal of 161982524 is 425289161.

161982524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161982521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57992 + ... + 60720.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^161982524 is an apocalyptic number.

It is an amenable number.

161982524 is an abundant number, since it is smaller than the sum of its proper divisors (168238276).

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

161982524 is a wasteful number, since it uses less digits than its factorization.

161982524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2832 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 161982524 is about 12727.2355207248. The cubic root of 161982524 is about 545.1165746759.

The spelling of 161982524 in words is "one hundred sixty-one million, nine hundred eighty-two thousand, five hundred twenty-four".