21160563150 has 96 divisors (see below), whose sum is σ = 55401989760. Its totient is φ = 5330171520.

The previous prime is 21160563143. The next prime is 21160563161. The reversal of 21160563150 is 5136506112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 978252 + ... + 999648.

It is an arithmetic number, because the mean of its divisors is an integer number (577104060).

Almost surely, 2^21160563150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21160563150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27700994880).

21160563150 is an abundant number, since it is smaller than the sum of its proper divisors (34241426610).

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

21160563150 is a wasteful number, since it uses less digits than its factorization.

21160563150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 21773 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 21160563150 in words is "twenty-one billion, one hundred sixty million, five hundred sixty-three thousand, one hundred fifty".