161884362 has 48 divisors (see below), whose sum is σ = 337665888. Its totient is φ = 51719040.

The previous prime is 161884357. The next prime is 161884391. The reversal of 161884362 is 263488161.

It is a self number, because there is not a number n which added to its sum of digits gives 161884362.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1950373 + ... + 1950455.

It is an arithmetic number, because the mean of its divisors is an integer number (7034706).

Almost surely, 2^161884362 is an apocalyptic number.

161884362 is an abundant number, since it is smaller than the sum of its proper divisors (175781526).

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

161884362 is an equidigital number, since it uses as much as digits as its factorization.

161884362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 222 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 161884362 is about 12723.3785607440. The cubic root of 161884362 is about 545.0064382148.

The spelling of 161884362 in words is "one hundred sixty-one million, eight hundred eighty-four thousand, three hundred sixty-two".