22641660544143 has 16 divisors (see below), whose sum is σ = 30244726702080. Its totient is φ = 15066525688704.

The previous prime is 22641660544123. The next prime is 22641660544169. The reversal of 22641660544143 is 34144506614622.

It is not a de Polignac number, because 22641660544143 - 2⁹ = 22641660543631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22641660544092 and 22641660544101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641660544123) 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, 9892488 + ... + 11964306.

It is an arithmetic number, because the mean of its divisors is an integer number (1890295418880).

Almost surely, 2^{22641660544143} is an apocalyptic number.

22641660544143 is a deficient number, since it is larger than the sum of its proper divisors (7603066157937).

22641660544143 is a wasteful number, since it uses less digits than its factorization.

22641660544143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078558.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 22641660544143 in words is "twenty-two trillion, six hundred forty-one billion, six hundred sixty million, five hundred forty-four thousand, one hundred forty-three".