16341125421 has 16 divisors (see below), whose sum is σ = 22026026880. Its totient is φ = 10775371200.

The previous prime is 16341125417. The next prime is 16341125447. The reversal of 16341125421 is 12452114361.

It is not a de Polignac number, because 16341125421 - 2² = 16341125417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16341125401) 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, 280320 + ... + 333558.

It is an arithmetic number, because the mean of its divisors is an integer number (1376626680).

Almost surely, 2^16341125421 is an apocalyptic number.

It is an amenable number.

16341125421 is a deficient number, since it is larger than the sum of its proper divisors (5684901459).

16341125421 is a wasteful number, since it uses less digits than its factorization.

16341125421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54356.

The product of its digits is 5760, while the sum is 30.

Adding to 16341125421 its reverse (12452114361), we get a palindrome (28793239782).

The spelling of 16341125421 in words is "sixteen billion, three hundred forty-one million, one hundred twenty-five thousand, four hundred twenty-one".