22161569410044 has 36 divisors (see below), whose sum is σ = 56309779287216. Its totient is φ = 7348914206208.

The previous prime is 22161569410039. The next prime is 22161569410073. The reversal of 22161569410044 is 44001496516122.

22161569410044 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 1 + 569 + 41 + 0 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22161569410044² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594809504 + ... + 1594823399.

It is an arithmetic number, because the mean of its divisors is an integer number (1564160535756).

Almost surely, 2^{22161569410044} is an apocalyptic number.

It is an amenable number.

22161569410044 is an abundant number, since it is smaller than the sum of its proper divisors (34148209877172).

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

22161569410044 is a wasteful number, since it uses less digits than its factorization.

22161569410044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189633106 (or 3189633101 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 22161569410044 in words is "twenty-two trillion, one hundred sixty-one billion, five hundred sixty-nine million, four hundred ten thousand, forty-four".