82668601 has 16 divisors (see below), whose sum is σ = 91751040. Its totient is φ = 74131200.

The previous prime is 82668583. The next prime is 82668613. The reversal of 82668601 is 10686628.

It is a cyclic number.

It is not a de Polignac number, because 82668601 - 2¹⁷ = 82537529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82668401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43201 + ... + 45073.

It is an arithmetic number, because the mean of its divisors is an integer number (5734440).

Almost surely, 2^82668601 is an apocalyptic number.

It is an amenable number.

82668601 is a deficient number, since it is larger than the sum of its proper divisors (9082439).

82668601 is a wasteful number, since it uses less digits than its factorization.

82668601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 82668601 is about 9092.2275048527. The cubic root of 82668601 is about 435.6257361831.

The spelling of 82668601 in words is "eighty-two million, six hundred sixty-eight thousand, six hundred one".