16214458041021 has 8 divisors (see below), whose sum is σ = 21620303687584. Its totient is φ = 10809125544240.

The previous prime is 16214458041017. The next prime is 16214458041049. The reversal of 16214458041021 is 12014085441261.

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

It is not a de Polignac number, because 16214458041021 - 2² = 16214458041017 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 (16214458041421) 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 7 ways as a sum of consecutive naturals, for example, 128213710 + ... + 128340111.

It is an arithmetic number, because the mean of its divisors is an integer number (2702537960948).

Almost surely, 2^{16214458041021} is an apocalyptic number.

It is an amenable number.

16214458041021 is a deficient number, since it is larger than the sum of its proper divisors (5405845646563).

16214458041021 is a wasteful number, since it uses less digits than its factorization.

16214458041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256574891.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 16214458041021 in words is "sixteen trillion, two hundred fourteen billion, four hundred fifty-eight million, forty-one thousand, twenty-one".