16332265053021 has 4 divisors (see below), whose sum is σ = 21776353404032. Its totient is φ = 10888176702012.

The previous prime is 16332265053007. The next prime is 16332265053023. The reversal of 16332265053021 is 12035056223361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16332265053021 - 2⁷ = 16332265052893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16332265053023) 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, 2722044175501 + ... + 2722044175506.

It is an arithmetic number, because the mean of its divisors is an integer number (5444088351008).

Almost surely, 2^{16332265053021} is an apocalyptic number.

It is an amenable number.

16332265053021 is a deficient number, since it is larger than the sum of its proper divisors (5444088351011).

16332265053021 is an equidigital number, since it uses as much as digits as its factorization.

16332265053021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444088351010.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 16332265053021 in words is "sixteen trillion, three hundred thirty-two billion, two hundred sixty-five million, fifty-three thousand, twenty-one".