22155305560616 has 8 divisors (see below), whose sum is σ = 41541197926170. Its totient is φ = 11077652780304.

The previous prime is 22155305560537. The next prime is 22155305560691. The reversal of 22155305560616 is 61606550355122.

It can be written as a sum of positive squares in only one way, i.e., 17509789180900 + 4645516379716 = 4184470^2 + 2155346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384706597531 + ... + 1384706597546.

Almost surely, 2^{22155305560616} is an apocalyptic number.

It is an amenable number.

22155305560616 is a deficient number, since it is larger than the sum of its proper divisors (19385892365554).

22155305560616 is a wasteful number, since it uses less digits than its factorization.

22155305560616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769413195083 (or 2769413195079 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 22155305560616 in words is "twenty-two trillion, one hundred fifty-five billion, three hundred five million, five hundred sixty thousand, six hundred sixteen".