5509775166 has 96 divisors (see below), whose sum is σ = 13416399360. Its totient is φ = 1477050432.

The previous prime is 5509775149. The next prime is 5509775177. The reversal of 5509775166 is 6615779055.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1175215 + ... + 1179893.

It is an arithmetic number, because the mean of its divisors is an integer number (139754160).

Almost surely, 2^5509775166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5509775166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6708199680).

5509775166 is an abundant number, since it is smaller than the sum of its proper divisors (7906624194).

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

5509775166 is a wasteful number, since it uses less digits than its factorization.

5509775166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 1984500, while the sum is 51.

The square root of 5509775166 is about 74227.8597697657. The cubic root of 5509775166 is about 1766.2192984638.

The spelling of 5509775166 in words is "five billion, five hundred nine million, seven hundred seventy-five thousand, one hundred sixty-six".