5565166650 has 36 divisors (see below), whose sum is σ = 14951748942. Its totient is φ = 1484044320.

The previous prime is 5565166619. The next prime is 5565166657. The reversal of 5565166650 is 566615655.

It can be written as a sum of positive squares in 3 ways, for example, as 4977443601 + 587723049 = 70551^2 + 24243^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 5565166596 and 5565166605.

It is not an unprimeable number, because it can be changed into a prime (5565166657) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6183069 + ... + 6183968.

Almost surely, 2^5565166650 is an apocalyptic number.

5565166650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5565166650 is an abundant number, since it is smaller than the sum of its proper divisors (9386582292).

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

5565166650 is a wasteful number, since it uses less digits than its factorization.

5565166650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367055 (or 12367047 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 5565166650 is about 74600.0445710323. The cubic root of 5565166650 is about 1772.1183580902.

The spelling of 5565166650 in words is "five billion, five hundred sixty-five million, one hundred sixty-six thousand, six hundred fifty".