16414745221 has 8 divisors (see below), whose sum is σ = 19747062080. Its totient is φ = 13329266688.

The previous prime is 16414745189. The next prime is 16414745251. The reversal of 16414745221 is 12254741461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16414745221 - 2⁵ = 16414745189 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 (16414745251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61709436 + ... + 61709701.

It is an arithmetic number, because the mean of its divisors is an integer number (2468382760).

Almost surely, 2^16414745221 is an apocalyptic number.

It is an amenable number.

16414745221 is a deficient number, since it is larger than the sum of its proper divisors (3332316859).

16414745221 is a wasteful number, since it uses less digits than its factorization.

16414745221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123419163.

The product of its digits is 53760, while the sum is 37.

The spelling of 16414745221 in words is "sixteen billion, four hundred fourteen million, seven hundred forty-five thousand, two hundred twenty-one".