161412194 has 8 divisors (see below), whose sum is σ = 247269888. Its totient is φ = 78988900.

The previous prime is 161412193. The next prime is 161412211. The reversal of 161412194 is 491214161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161412193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858482 + ... + 858669.

It is an arithmetic number, because the mean of its divisors is an integer number (30908736).

Almost surely, 2^161412194 is an apocalyptic number.

161412194 is a deficient number, since it is larger than the sum of its proper divisors (85857694).

161412194 is a wasteful number, since it uses less digits than its factorization.

161412194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717200.

The product of its digits is 1728, while the sum is 29.

The square root of 161412194 is about 12704.8098765782. The cubic root of 161412194 is about 544.4760489251.

The spelling of 161412194 in words is "one hundred sixty-one million, four hundred twelve thousand, one hundred ninety-four".