161294382 has 32 divisors (see below), whose sum is σ = 377299200. Its totient is φ = 50934744.

The previous prime is 161294299. The next prime is 161294383. The reversal of 161294382 is 283492161.

161294382 is a `hidden beast` number, since 1 + 612 + 9 + 4 + 38 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161294383) by changing a digit.

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, 77578 + ... + 79629.

It is an arithmetic number, because the mean of its divisors is an integer number (11790600).

Almost surely, 2^161294382 is an apocalyptic number.

161294382 is an abundant number, since it is smaller than the sum of its proper divisors (216004818).

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

161294382 is a wasteful number, since it uses less digits than its factorization.

161294382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157237 (or 157231 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 161294382 is about 12700.1725185133. The cubic root of 161294382 is about 544.3435487644.

The spelling of 161294382 in words is "one hundred sixty-one million, two hundred ninety-four thousand, three hundred eighty-two".