161022324 has 48 divisors (see below), whose sum is σ = 382294080. Its totient is φ = 52742400.

The previous prime is 161022313. The next prime is 161022343. The reversal of 161022324 is 423220161.

It is a self number, because there is not a number n which added to its sum of digits gives 161022324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267624 + ... + 268224.

It is an arithmetic number, because the mean of its divisors is an integer number (7964460).

Almost surely, 2^161022324 is an apocalyptic number.

It is an amenable number.

161022324 is an abundant number, since it is smaller than the sum of its proper divisors (221271756).

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

161022324 is a wasteful number, since it uses less digits than its factorization.

161022324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 161022324 is about 12689.4571987930. The cubic root of 161022324 is about 544.0373253297.

Adding to 161022324 its reverse (423220161), we get a palindrome (584242485).

The spelling of 161022324 in words is "one hundred sixty-one million, twenty-two thousand, three hundred twenty-four".