82066653 has 24 divisors (see below), whose sum is σ = 122069376. Its totient is φ = 53102400.

The previous prime is 82066651. The next prime is 82066657. The reversal of 82066653 is 35666028.

It is not a de Polignac number, because 82066653 - 2¹ = 82066651 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82066651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54673 + ... + 56153.

It is an arithmetic number, because the mean of its divisors is an integer number (5086224).

Almost surely, 2^82066653 is an apocalyptic number.

It is an amenable number.

82066653 is a deficient number, since it is larger than the sum of its proper divisors (40002723).

82066653 is a wasteful number, since it uses less digits than its factorization.

82066653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 82066653 is about 9059.0646868206. The cubic root of 82066653 is about 434.5658291870.

The spelling of 82066653 in words is "eighty-two million, sixty-six thousand, six hundred fifty-three".