16421063153 has 16 divisors (see below), whose sum is σ = 18538018560. Its totient is φ = 14408486400.

The previous prime is 16421063149. The next prime is 16421063171. The reversal of 16421063153 is 35136012461.

It is not a de Polignac number, because 16421063153 - 2² = 16421063149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16421063123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151201 + ... + 1165377.

It is an arithmetic number, because the mean of its divisors is an integer number (1158626160).

Almost surely, 2^16421063153 is an apocalyptic number.

It is an amenable number.

16421063153 is a deficient number, since it is larger than the sum of its proper divisors (2116955407).

16421063153 is a wasteful number, since it uses less digits than its factorization.

16421063153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17848.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 16421063153 in words is "sixteen billion, four hundred twenty-one million, sixty-three thousand, one hundred fifty-three".