3666243222015 has 32 divisors (see below), whose sum is σ = 6400576046592. Its totient is φ = 1777207152000.

The previous prime is 3666243221999. The next prime is 3666243222079. The reversal of 3666243222015 is 5102223426663.

3666243222015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3666243222015 - 2⁴ = 3666243221999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1477096 + ... + 3084525.

It is an arithmetic number, because the mean of its divisors is an integer number (200018001456).

Almost surely, 2^{3666243222015} is an apocalyptic number.

3666243222015 is a deficient number, since it is larger than the sum of its proper divisors (2734332824577).

3666243222015 is a wasteful number, since it uses less digits than its factorization.

3666243222015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566511.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 3666243222015 its reverse (5102223426663), we get a palindrome (8768466648678).

The spelling of 3666243222015 in words is "three trillion, six hundred sixty-six billion, two hundred forty-three million, two hundred twenty-two thousand, fifteen".