82650166 has 4 divisors (see below), whose sum is σ = 123975252. Its totient is φ = 41325082.

The previous prime is 82650163. The next prime is 82650179. The reversal of 82650166 is 66105628.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82650163) by changing a digit.

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 as a sum of consecutive naturals, namely, 20662540 + ... + 20662543.

It is an arithmetic number, because the mean of its divisors is an integer number (30993813).

Almost surely, 2^82650166 is an apocalyptic number.

82650166 is a deficient number, since it is larger than the sum of its proper divisors (41325086).

82650166 is a wasteful number, since it uses less digits than its factorization.

82650166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41325085.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 82650166 is about 9091.2136703523. The cubic root of 82650166 is about 435.5933524350.

The spelling of 82650166 in words is "eighty-two million, six hundred fifty thousand, one hundred sixty-six".