22661376870 has 128 divisors (see below), whose sum is σ = 60032835072. Its totient is φ = 5429120000.

The previous prime is 22661376833. The next prime is 22661376877. The reversal of 22661376870 is 7867316622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661376877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11346712 + ... + 11348708.

It is an arithmetic number, because the mean of its divisors is an integer number (469006524).

Almost surely, 2^22661376870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22661376870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30016417536).

22661376870 is an abundant number, since it is smaller than the sum of its proper divisors (37371458202).

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

22661376870 is a wasteful number, since it uses less digits than its factorization.

22661376870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 22661376870 in words is "twenty-two billion, six hundred sixty-one million, three hundred seventy-six thousand, eight hundred seventy".