82194161 has 8 divisors (see below), whose sum is σ = 94022784. Its totient is φ = 70387200.

The previous prime is 82194137. The next prime is 82194169. The reversal of 82194161 is 16149128.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82194161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82194169) 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, 3761 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (11752848).

Almost surely, 2^82194161 is an apocalyptic number.

It is an amenable number.

82194161 is a deficient number, since it is larger than the sum of its proper divisors (11828623).

82194161 is a wasteful number, since it uses less digits than its factorization.

82194161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831.

The product of its digits is 3456, while the sum is 32.

The square root of 82194161 is about 9066.0995472143. The cubic root of 82194161 is about 434.7907762070.

The spelling of 82194161 in words is "eighty-two million, one hundred ninety-four thousand, one hundred sixty-one".