16413641421 has 16 divisors (see below), whose sum is σ = 21946982400. Its totient is φ = 10911410288.

The previous prime is 16413641339. The next prime is 16413641477. The reversal of 16413641421 is 12414631461.

16413641421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16413641421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413641221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623460 + ... + 1633538.

It is an arithmetic number, because the mean of its divisors is an integer number (1371686400).

Almost surely, 2^16413641421 is an apocalyptic number.

It is an amenable number.

16413641421 is a deficient number, since it is larger than the sum of its proper divisors (5533340979).

16413641421 is a wasteful number, since it uses less digits than its factorization.

16413641421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11568.

The product of its digits is 13824, while the sum is 33.

The spelling of 16413641421 in words is "sixteen billion, four hundred thirteen million, six hundred forty-one thousand, four hundred twenty-one".