16221463461499 has 8 divisors (see below), whose sum is σ = 16395102432000. Its totient is φ = 16048232574696.

The previous prime is 16221463461487. The next prime is 16221463461503. The reversal of 16221463461499 is 99416436412261.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16221463461499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16221463441499) 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, 101940999 + ... + 102100000.

It is an arithmetic number, because the mean of its divisors is an integer number (2049387804000).

Almost surely, 2^{16221463461499} is an apocalyptic number.

16221463461499 is a deficient number, since it is larger than the sum of its proper divisors (173638970501).

16221463461499 is a wasteful number, since it uses less digits than its factorization.

16221463461499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204041849.

The product of its digits is 13436928, while the sum is 58.

The spelling of 16221463461499 in words is "sixteen trillion, two hundred twenty-one billion, four hundred sixty-three million, four hundred sixty-one thousand, four hundred ninety-nine".