161174216 has 32 divisors (see below), whose sum is σ = 346248000. Its totient is φ = 68899776.

The previous prime is 161174203. The next prime is 161174227. The reversal of 161174216 is 612471161.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20030 + ... + 26898.

It is an arithmetic number, because the mean of its divisors is an integer number (10820250).

Almost surely, 2^161174216 is an apocalyptic number.

It is an amenable number.

161174216 is an abundant number, since it is smaller than the sum of its proper divisors (185073784).

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

161174216 is a wasteful number, since it uses less digits than its factorization.

161174216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301 (or 7297 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 161174216 is about 12695.4407564291. The cubic root of 161174216 is about 544.2083346362.

The spelling of 161174216 in words is "one hundred sixty-one million, one hundred seventy-four thousand, two hundred sixteen".