16466224631 has 4 divisors (see below), whose sum is σ = 16476536952. Its totient is φ = 16455912312.

The previous prime is 16466224613. The next prime is 16466224661. The reversal of 16466224631 is 13642266461.

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 16466224631 - 2¹⁰ = 16466223607 is a prime.

It is a super-2 number, since 2×16466224631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16466224661) 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 3 ways as a sum of consecutive naturals, for example, 5153765 + ... + 5156958.

It is an arithmetic number, because the mean of its divisors is an integer number (4119134238).

Almost surely, 2^16466224631 is an apocalyptic number.

16466224631 is a deficient number, since it is larger than the sum of its proper divisors (10312321).

16466224631 is a wasteful number, since it uses less digits than its factorization.

16466224631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312320.

The product of its digits is 248832, while the sum is 41.

The spelling of 16466224631 in words is "sixteen billion, four hundred sixty-six million, two hundred twenty-four thousand, six hundred thirty-one".