161343352 has 16 divisors (see below), whose sum is σ = 302655600. Its totient is φ = 80635200.

The previous prime is 161343337. The next prime is 161343397. The reversal of 161343352 is 253343161.

It is a self number, because there is not a number n which added to its sum of digits gives 161343352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27477 + ... + 32827.

It is an arithmetic number, because the mean of its divisors is an integer number (18915975).

Almost surely, 2^161343352 is an apocalyptic number.

It is an amenable number.

161343352 is a deficient number, since it is larger than the sum of its proper divisors (141312248).

161343352 is a wasteful number, since it uses less digits than its factorization.

161343352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126 (or 9122 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 161343352 is about 12702.1002987695. The cubic root of 161343352 is about 544.3986319112.

The spelling of 161343352 in words is "one hundred sixty-one million, three hundred forty-three thousand, three hundred fifty-two".