161346384 has 40 divisors (see below), whose sum is σ = 463125120. Its totient is φ = 53781984.

The previous prime is 161346331. The next prime is 161346391. The reversal of 161346384 is 483643161.

It is a happy number.

161346384 is a `hidden beast` number, since 1 + 6 + 13 + 4 + 638 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186312 + ... + 187175.

It is an arithmetic number, because the mean of its divisors is an integer number (11578128).

Almost surely, 2^161346384 is an apocalyptic number.

It is an amenable number.

161346384 is an abundant number, since it is smaller than the sum of its proper divisors (301778736).

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

161346384 is a wasteful number, since it uses less digits than its factorization.

161346384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373504 (or 373492 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 161346384 is about 12702.2196485496. The cubic root of 161346384 is about 544.4020420430.

161346384 divided by its sum of digits (36) gives a palindrome (4481844).

The spelling of 161346384 in words is "one hundred sixty-one million, three hundred forty-six thousand, three hundred eighty-four".