22616761266 has 96 divisors (see below), whose sum is σ = 54983717568. Its totient is φ = 6658485120.

The previous prime is 22616761249. The next prime is 22616761273. The reversal of 22616761266 is 66216761622.

22616761266 is a `hidden beast` number, since 2 + 2 + 616 + 7 + 6 + 1 + 26 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6056736 + ... + 6060468.

It is an arithmetic number, because the mean of its divisors is an integer number (572747058).

Almost surely, 2^22616761266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22616761266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27491858784).

22616761266 is an abundant number, since it is smaller than the sum of its proper divisors (32366956302).

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

22616761266 is a wasteful number, since it uses less digits than its factorization.

22616761266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616 (or 4613 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 22616761266 in words is "twenty-two billion, six hundred sixteen million, seven hundred sixty-one thousand, two hundred sixty-six".