66882101 has 16 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 55614720.

The previous prime is 66882083. The next prime is 66882103. The reversal of 66882101 is 10128866.

It is a cyclic number.

It is not a de Polignac number, because 66882101 - 2¹⁴ = 66865717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66882103) 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, 14090 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (4955580).

Almost surely, 2^66882101 is an apocalyptic number.

It is an amenable number.

66882101 is a deficient number, since it is larger than the sum of its proper divisors (12407179).

66882101 is a wasteful number, since it uses less digits than its factorization.

66882101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 66882101 is about 8178.1477731819. The cubic root of 66882101 is about 405.9164351136.

The spelling of 66882101 in words is "sixty-six million, eight hundred eighty-two thousand, one hundred one".