22661376853 has 4 divisors (see below), whose sum is σ = 22747542048. Its totient is φ = 22575211660.

The previous prime is 22661376833. The next prime is 22661376877. The reversal of 22661376853 is 35867316622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22661376853 - 2¹⁷ = 22661245781 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22661376797 and 22661376806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661376833) 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, 43082203 + ... + 43082728.

It is an arithmetic number, because the mean of its divisors is an integer number (5686885512).

Almost surely, 2^22661376853 is an apocalyptic number.

It is an amenable number.

22661376853 is a deficient number, since it is larger than the sum of its proper divisors (86165195).

22661376853 is an equidigital number, since it uses as much as digits as its factorization.

22661376853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86165194.

The product of its digits is 2177280, while the sum is 49.

The spelling of 22661376853 in words is "twenty-two billion, six hundred sixty-one million, three hundred seventy-six thousand, eight hundred fifty-three".