10016550021 has 8 divisors (see below), whose sum is σ = 13373773504. Its totient is φ = 6668513280.

The previous prime is 10016550013. The next prime is 10016550023. The reversal of 10016550021 is 12005561001.

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

It is not a de Polignac number, because 10016550021 - 2³ = 10016550013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10016550021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10016550023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294140 + ... + 2298501.

It is an arithmetic number, because the mean of its divisors is an integer number (1671721688).

Almost surely, 2^10016550021 is an apocalyptic number.

It is an amenable number.

10016550021 is a deficient number, since it is larger than the sum of its proper divisors (3357223483).

10016550021 is an equidigital number, since it uses as much as digits as its factorization.

10016550021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593371.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 10016550021 in words is "ten billion, sixteen million, five hundred fifty thousand, twenty-one".