21466353150 has 144 divisors (see below), whose sum is σ = 63540339408. Its totient is φ = 5152320000.

The previous prime is 21466353127. The next prime is 21466353157. The reversal of 21466353150 is 5135366412.

21466353150 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 635 + 3 + 15 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21466353157) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 478482 + ... + 521418.

It is an arithmetic number, because the mean of its divisors is an integer number (441252357).

Almost surely, 2^21466353150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21466353150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31770169704).

21466353150 is an abundant number, since it is smaller than the sum of its proper divisors (42073986258).

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

21466353150 is a wasteful number, since it uses less digits than its factorization.

21466353150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43067 (or 43059 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 21466353150 in words is "twenty-one billion, four hundred sixty-six million, three hundred fifty-three thousand, one hundred fifty".