82162149 has 8 divisors (see below), whose sum is σ = 109639680. Its totient is φ = 54729696.

The previous prime is 82162111. The next prime is 82162151. The reversal of 82162149 is 94126128.

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

It is not a de Polignac number, because 82162149 - 2¹⁶ = 82096613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82162159) 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, 6757 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (13704960).

Almost surely, 2^82162149 is an apocalyptic number.

It is an amenable number.

82162149 is a deficient number, since it is larger than the sum of its proper divisors (27477531).

82162149 is a wasteful number, since it uses less digits than its factorization.

82162149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22539.

The product of its digits is 6912, while the sum is 33.

The square root of 82162149 is about 9064.3338972039. Note that the first 3 decimals coincide. The cubic root of 82162149 is about 434.7343231715.

The spelling of 82162149 in words is "eighty-two million, one hundred sixty-two thousand, one hundred forty-nine".