161229282 has 32 divisors (see below), whose sum is σ = 325812480. Its totient is φ = 53187840.

The previous prime is 161229259. The next prime is 161229319. The reversal of 161229282 is 282922161.

It is an unprimeable number.

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, 372138 + ... + 372570.

It is an arithmetic number, because the mean of its divisors is an integer number (10181640).

Almost surely, 2^161229282 is an apocalyptic number.

161229282 is an abundant number, since it is smaller than the sum of its proper divisors (164583198).

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

161229282 is a wasteful number, since it uses less digits than its factorization.

161229282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its digits is 6912, while the sum is 33.

The square root of 161229282 is about 12697.6093025420. The cubic root of 161229282 is about 544.2703047717.

The spelling of 161229282 in words is "one hundred sixty-one million, two hundred twenty-nine thousand, two hundred eighty-two".