5361809166 has 72 divisors (see below), whose sum is σ = 13719272112. Its totient is φ = 1482494400.

The previous prime is 5361809161. The next prime is 5361809203. The reversal of 5361809166 is 6619081635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5361809161) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98946 + ... + 143226.

It is an arithmetic number, because the mean of its divisors is an integer number (190545446).

Almost surely, 2^5361809166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5361809166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6859636056).

5361809166 is an abundant number, since it is smaller than the sum of its proper divisors (8357462946).

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

5361809166 is a wasteful number, since it uses less digits than its factorization.

5361809166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44358 (or 44324 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5361809166 is about 73224.3754906793. The cubic root of 5361809166 is about 1750.2649031368.

The spelling of 5361809166 in words is "five billion, three hundred sixty-one million, eight hundred nine thousand, one hundred sixty-six".