161214393 has 16 divisors (see below), whose sum is σ = 226566720. Its totient is φ = 101809344.

The previous prime is 161214367. The next prime is 161214401. The reversal of 161214393 is 393412161.

It is not a de Polignac number, because 161214393 - 2⁶ = 161214329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161214393.

It is not an unprimeable number, because it can be changed into a prime (161214293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12871 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (14160420).

Almost surely, 2^161214393 is an apocalyptic number.

It is an amenable number.

161214393 is a deficient number, since it is larger than the sum of its proper divisors (65352327).

161214393 is a wasteful number, since it uses less digits than its factorization.

161214393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35048.

The product of its digits is 3888, while the sum is 30.

The square root of 161214393 is about 12697.0229975377. The cubic root of 161214393 is about 544.2535503915.

The spelling of 161214393 in words is "one hundred sixty-one million, two hundred fourteen thousand, three hundred ninety-three".