16136313203421 has 12 divisors (see below), whose sum is σ = 23363635669920. Its totient is φ = 10731867808200.

The previous prime is 16136313203419. The next prime is 16136313203441. The reversal of 16136313203421 is 12430231363161.

16136313203421 is a `hidden beast` number, since 1 + 6 + 13 + 6 + 3 + 13 + 203 + 421 = 666.

It is not a de Polignac number, because 16136313203421 - 2¹ = 16136313203419 is a prime.

It is a super-2 number, since 2×16136313203421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16136313203441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2139523305 + ... + 2139530846.

It is an arithmetic number, because the mean of its divisors is an integer number (1946969639160).

Almost surely, 2^{16136313203421} is an apocalyptic number.

It is an amenable number.

16136313203421 is a deficient number, since it is larger than the sum of its proper divisors (7227322466499).

16136313203421 is a wasteful number, since it uses less digits than its factorization.

16136313203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279054576 (or 4279054573 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 16136313203421 its reverse (12430231363161), we get a palindrome (28566544566582).

The spelling of 16136313203421 in words is "sixteen trillion, one hundred thirty-six billion, three hundred thirteen million, two hundred three thousand, four hundred twenty-one".