2166240150 has 72 divisors (see below), whose sum is σ = 5842922904. Its totient is φ = 575385600.

The previous prime is 2166240137. The next prime is 2166240161. The reversal of 2166240150 is 510426612.

2166240150 is a `hidden beast` number, since 21 + 6 + 624 + 0 + 15 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106285 + ... + 125015.

It is an arithmetic number, because the mean of its divisors is an integer number (81151707).

Almost surely, 2^2166240150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2166240150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921461452).

2166240150 is an abundant number, since it is smaller than the sum of its proper divisors (3676682754).

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

2166240150 is a wasteful number, since it uses less digits than its factorization.

2166240150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19006 (or 18998 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2166240150 is about 46542.8850631329. The cubic root of 2166240150 is about 1293.9044316107.

Adding to 2166240150 its reverse (510426612), we get a palindrome (2676666762).

The spelling of 2166240150 in words is "two billion, one hundred sixty-six million, two hundred forty thousand, one hundred fifty".