21150366150 has 96 divisors (see below), whose sum is σ = 52997107968. Its totient is φ = 5581872000.

The previous prime is 21150366103. The next prime is 21150366161. The reversal of 21150366150 is 5166305112.

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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6634857 + ... + 6638043.

It is an arithmetic number, because the mean of its divisors is an integer number (552053208).

Almost surely, 2^21150366150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21150366150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26498553984).

21150366150 is an abundant number, since it is smaller than the sum of its proper divisors (31846741818).

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

21150366150 is a wasteful number, since it uses less digits than its factorization.

21150366150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3641 counting only the distinct ones).

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

The spelling of 21150366150 in words is "twenty-one billion, one hundred fifty million, three hundred sixty-six thousand, one hundred fifty".