2544260166 has 128 divisors (see below), whose sum is σ = 6663121920. Its totient is φ = 704505600.

The previous prime is 2544260153. The next prime is 2544260183. The reversal of 2544260166 is 6610624452.

2544260166 is a `hidden beast` number, since 2 + 5 + 4 + 42 + 601 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2544260166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2804685 + ... + 2805591.

It is an arithmetic number, because the mean of its divisors is an integer number (52055640).

Almost surely, 2^2544260166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544260166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3331560960).

2544260166 is an abundant number, since it is smaller than the sum of its proper divisors (4118861754).

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

2544260166 is a wasteful number, since it uses less digits than its factorization.

2544260166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2544260166 is about 50440.6598489750. The cubic root of 2544260166 is about 1365.1713732426.

The spelling of 2544260166 in words is "two billion, five hundred forty-four million, two hundred sixty thousand, one hundred sixty-six".