22134371661 has 8 divisors (see below), whose sum is σ = 32791661760. Its totient is φ = 14756247756.

The previous prime is 22134371653. The next prime is 22134371669. The reversal of 22134371661 is 16617343122.

22134371661 is a `hidden beast` number, since 2 + 213 + 437 + 1 + 6 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22134371653) and next prime (22134371669).

It is not a de Polignac number, because 22134371661 - 2³ = 22134371653 is a prime.

It is a super-3 number, since 3×22134371661³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134371669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409895745 + ... + 409895798.

It is an arithmetic number, because the mean of its divisors is an integer number (4098957720).

Almost surely, 2^22134371661 is an apocalyptic number.

It is an amenable number.

22134371661 is a deficient number, since it is larger than the sum of its proper divisors (10657290099).

22134371661 is an equidigital number, since it uses as much as digits as its factorization.

22134371661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819791552 (or 819791546 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The spelling of 22134371661 in words is "twenty-two billion, one hundred thirty-four million, three hundred seventy-one thousand, six hundred sixty-one".