161214394 has 16 divisors (see below), whose sum is σ = 264565440. Its totient is φ = 73068160.

The previous prime is 161214367. The next prime is 161214401. The reversal of 161214394 is 493412161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2614 + ... + 18145.

It is an arithmetic number, because the mean of its divisors is an integer number (16535340).

Almost surely, 2^161214394 is an apocalyptic number.

161214394 is a deficient number, since it is larger than the sum of its proper divisors (103351046).

161214394 is a wasteful number, since it uses less digits than its factorization.

161214394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125.

The product of its digits is 5184, while the sum is 31.

The square root of 161214394 is about 12697.0230369170. The cubic root of 161214394 is about 544.2535515169.

The spelling of 161214394 in words is "one hundred sixty-one million, two hundred fourteen thousand, three hundred ninety-four".