192161000 has 32 divisors (see below), whose sum is σ = 449659080. Its totient is φ = 76864000.

The previous prime is 192160981. The next prime is 192161027. The reversal of 192161000 is 161291.

It can be written as a sum of positive squares in 4 ways, for example, as 95374756 + 96786244 = 9766^2 + 9838^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95081 + ... + 97080.

Almost surely, 2^192161000 is an apocalyptic number.

192161000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192161000 is an abundant number, since it is smaller than the sum of its proper divisors (257498080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

192161000 is a wasteful number, since it uses less digits than its factorization.

192161000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192182 (or 192168 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 192161000 is about 13862.2148302499. The cubic root of 192161000 is about 577.0610345864.

The spelling of 192161000 in words is "one hundred ninety-two million, one hundred sixty-one thousand".