161949214 has 12 divisors (see below), whose sum is σ = 282585024. Its totient is φ = 69406764.

The previous prime is 161949211. The next prime is 161949287. The reversal of 161949214 is 412949161.

161949214 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161949211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826174 + ... + 826369.

It is an arithmetic number, because the mean of its divisors is an integer number (23548752).

Almost surely, 2^161949214 is an apocalyptic number.

161949214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161949214 is a deficient number, since it is larger than the sum of its proper divisors (120635810).

161949214 is a wasteful number, since it uses less digits than its factorization.

161949214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652559 (or 1652552 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 161949214 is about 12725.9268424740. The cubic root of 161949214 is about 545.0792062869.

The spelling of 161949214 in words is "one hundred sixty-one million, nine hundred forty-nine thousand, two hundred fourteen".