16434888481 has 8 divisors (see below), whose sum is σ = 18196566624. Its totient is φ = 14717809920.

The previous prime is 16434888473. The next prime is 16434888511. The reversal of 16434888481 is 18488843461.

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

It is not a de Polignac number, because 16434888481 - 2³ = 16434888473 is a prime.

It is a super-2 number, since 2×16434888481² (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 (16434889481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11149120 + ... + 11150593.

It is an arithmetic number, because the mean of its divisors is an integer number (2274570828).

Almost surely, 2^16434888481 is an apocalyptic number.

16434888481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16434888481 is a deficient number, since it is larger than the sum of its proper divisors (1761678143).

16434888481 is a wasteful number, since it uses less digits than its factorization.

16434888481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22299791.

The product of its digits is 4718592, while the sum is 55.

The spelling of 16434888481 in words is "sixteen billion, four hundred thirty-four million, eight hundred eighty-eight thousand, four hundred eighty-one".