82158206 has 8 divisors (see below), whose sum is σ = 132717144. Its totient is φ = 37919160.

The previous prime is 82158191. The next prime is 82158217. The reversal of 82158206 is 60285128.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579940 + ... + 1579991.

It is an arithmetic number, because the mean of its divisors is an integer number (16589643).

Almost surely, 2^82158206 is an apocalyptic number.

82158206 is a deficient number, since it is larger than the sum of its proper divisors (50558938).

82158206 is a wasteful number, since it uses less digits than its factorization.

82158206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159946.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82158206 is about 9064.1163937805. The cubic root of 82158206 is about 434.7273686924.

The spelling of 82158206 in words is "eighty-two million, one hundred fifty-eight thousand, two hundred six".