161272482 has 32 divisors (see below), whose sum is σ = 369816192. Its totient is φ = 45928704.

The previous prime is 161272477. The next prime is 161272483. The reversal of 161272482 is 284272161.

It is not an unprimeable number, because it can be changed into a prime (161272483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7258 + ... + 19370.

It is an arithmetic number, because the mean of its divisors is an integer number (11556756).

Almost surely, 2^161272482 is an apocalyptic number.

161272482 is an abundant number, since it is smaller than the sum of its proper divisors (208543710).

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

161272482 is a wasteful number, since it uses less digits than its factorization.

161272482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its digits is 10752, while the sum is 33.

The square root of 161272482 is about 12699.3102962326. The cubic root of 161272482 is about 544.3189112803.

The spelling of 161272482 in words is "one hundred sixty-one million, two hundred seventy-two thousand, four hundred eighty-two".