16454446331 has 4 divisors (see below), whose sum is σ = 16518471672. Its totient is φ = 16390420992.

The previous prime is 16454446301. The next prime is 16454446369. The reversal of 16454446331 is 13364445461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16454446331 - 2¹⁴ = 16454429947 is a prime.

It is a super-2 number, since 2×16454446331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16454446301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32012285 + ... + 32012798.

It is an arithmetic number, because the mean of its divisors is an integer number (4129617918).

Almost surely, 2^16454446331 is an apocalyptic number.

16454446331 is a deficient number, since it is larger than the sum of its proper divisors (64025341).

16454446331 is an equidigital number, since it uses as much as digits as its factorization.

16454446331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64025340.

The product of its digits is 414720, while the sum is 41.

The spelling of 16454446331 in words is "sixteen billion, four hundred fifty-four million, four hundred forty-six thousand, three hundred thirty-one".