21016050486 has 8 divisors (see below), whose sum is σ = 42032100984. Its totient is φ = 7005350160.

The previous prime is 21016050469. The next prime is 21016050487. The reversal of 21016050486 is 68405061012.

It is a sphenic number, since it is the product of 3 distinct primes.

21016050486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21016050487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751337535 + ... + 1751337546.

It is an arithmetic number, because the mean of its divisors is an integer number (5254012623).

Almost surely, 2^21016050486 is an apocalyptic number.

21016050486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21016050486 is a wasteful number, since it uses less digits than its factorization.

21016050486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502675086.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 21016050486 in words is "twenty-one billion, sixteen million, fifty thousand, four hundred eighty-six".