161053032 has 64 divisors (see below), whose sum is σ = 461537280. Its totient is φ = 45876672.

The previous prime is 161053003. The next prime is 161053033. The reversal of 161053032 is 230350161.

161053032 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 (21).

It is not an unprimeable number, because it can be changed into a prime (161053033) 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, 63093 + ... + 65595.

It is an arithmetic number, because the mean of its divisors is an integer number (7211520).

Almost surely, 2^161053032 is an apocalyptic number.

161053032 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 161053032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230768640).

161053032 is an abundant number, since it is smaller than the sum of its proper divisors (300484248).

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

161053032 is a wasteful number, since it uses less digits than its factorization.

161053032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 161053032 is about 12690.6671219444. The cubic root of 161053032 is about 544.0719069452.

The spelling of 161053032 in words is "one hundred sixty-one million, fifty-three thousand, thirty-two".