32161120 has 24 divisors (see below), whose sum is σ = 75981024. Its totient is φ = 12864384.

The previous prime is 32161117. The next prime is 32161141. The reversal of 32161120 is 2116123.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 32161094 and 32161103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100344 + ... + 100663.

It is an arithmetic number, because the mean of its divisors is an integer number (3165876).

Almost surely, 2^32161120 is an apocalyptic number.

It is an amenable number.

32161120 is an abundant number, since it is smaller than the sum of its proper divisors (43819904).

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

32161120 is a wasteful number, since it uses less digits than its factorization.

32161120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201022 (or 201014 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 32161120 is about 5671.0774990296. The cubic root of 32161120 is about 318.0121562274.

Adding to 32161120 its reverse (2116123), we get a palindrome (34277243).

The spelling of 32161120 in words is "thirty-two million, one hundred sixty-one thousand, one hundred twenty".