22661376848 has 20 divisors (see below), whose sum is σ = 47897910528. Its totient is φ = 10300625760.

The previous prime is 22661376833. The next prime is 22661376877. The reversal of 22661376848 is 84867316622.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22661376848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64378736 + ... + 64379087.

Almost surely, 2^22661376848 is an apocalyptic number.

It is an amenable number.

22661376848 is an abundant number, since it is smaller than the sum of its proper divisors (25236533680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22661376848 is a wasteful number, since it uses less digits than its factorization.

22661376848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128757842 (or 128757836 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 22661376848 in words is "twenty-two billion, six hundred sixty-one million, three hundred seventy-six thousand, eight hundred forty-eight".