161892195 has 8 divisors (see below), whose sum is σ = 259027536. Its totient is φ = 86342496.

The previous prime is 161892191. The next prime is 161892209. The reversal of 161892195 is 591298161.

161892195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161892195 - 2² = 161892191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161892191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396392 + ... + 5396421.

It is an arithmetic number, because the mean of its divisors is an integer number (32378442).

Almost surely, 2^161892195 is an apocalyptic number.

161892195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161892195 is a deficient number, since it is larger than the sum of its proper divisors (97135341).

161892195 is a wasteful number, since it uses less digits than its factorization.

161892195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792821.

The product of its digits is 38880, while the sum is 42.

The square root of 161892195 is about 12723.6863762040. The cubic root of 161892195 is about 545.0152283712.

The spelling of 161892195 in words is "one hundred sixty-one million, eight hundred ninety-two thousand, one hundred ninety-five".