322161966 has 72 divisors (see below), whose sum is σ = 847336464. Its totient is φ = 88038720.

The previous prime is 322161953. The next prime is 322161971. The reversal of 322161966 is 669161223.

It is a happy number.

322161966 is a `hidden beast` number, since 32 + 2 + 1 + 619 + 6 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 322161966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12346 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (11768562).

Almost surely, 2^322161966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322161966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423668232).

322161966 is an abundant number, since it is smaller than the sum of its proper divisors (525174498).

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

322161966 is a wasteful number, since it uses less digits than its factorization.

322161966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926 (or 15916 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 322161966 is about 17948.8708837074. The cubic root of 322161966 is about 685.5273017327.

The spelling of 322161966 in words is "three hundred twenty-two million, one hundred sixty-one thousand, nine hundred sixty-six".