16416014362821 has 24 divisors (see below), whose sum is σ = 23726269266336. Its totient is φ = 10937434304160.

The previous prime is 16416014362793. The next prime is 16416014362843. The reversal of 16416014362821 is 12826341061461.

16416014362821 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 6 + 0 + 14 + 3 + 628 + 2 + 1 = 666.

It is not a de Polignac number, because 16416014362821 - 2¹⁰ = 16416014361797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16416014362421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256103986 + ... + 256168076.

It is an arithmetic number, because the mean of its divisors is an integer number (988594552764).

Almost surely, 2^{16416014362821} is an apocalyptic number.

It is an amenable number.

16416014362821 is a deficient number, since it is larger than the sum of its proper divisors (7310254903515).

16416014362821 is a wasteful number, since it uses less digits than its factorization.

16416014362821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80753 (or 80750 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 16416014362821 in words is "sixteen trillion, four hundred sixteen billion, fourteen million, three hundred sixty-two thousand, eight hundred twenty-one".