82241660201 has 4 divisors (see below), whose sum is σ = 84464407812. Its totient is φ = 80018912592.

The previous prime is 82241660197. The next prime is 82241660203. The reversal of 82241660201 is 10206614228.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56954299801 + 25287360400 = 238651^2 + 159020^2 .

It is a cyclic number.

It is not a de Polignac number, because 82241660201 - 2² = 82241660197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82241660203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111373750 + ... + 1111373823.

It is an arithmetic number, because the mean of its divisors is an integer number (21116101953).

Almost surely, 2^82241660201 is an apocalyptic number.

It is an amenable number.

82241660201 is a deficient number, since it is larger than the sum of its proper divisors (2222747611).

82241660201 is a wasteful number, since it uses less digits than its factorization.

82241660201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222747610.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 82241660201 in words is "eighty-two billion, two hundred forty-one million, six hundred sixty thousand, two hundred one".