16481138810 has 8 divisors (see below), whose sum is σ = 29666049876. Its totient is φ = 6592455520.

The previous prime is 16481138789. The next prime is 16481138813. The reversal of 16481138810 is 1883118461.

It can be written as a sum of positive squares in 2 ways, for example, as 16301927041 + 179211769 = 127679^2 + 13387^2 .

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

It is a super-2 number, since 2×16481138810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16481138813) 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 3 ways as a sum of consecutive naturals, for example, 824056931 + ... + 824056950.

Almost surely, 2^16481138810 is an apocalyptic number.

16481138810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16481138810 is a deficient number, since it is larger than the sum of its proper divisors (13184911066).

16481138810 is a wasteful number, since it uses less digits than its factorization.

16481138810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648113888.

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 16481138810 in words is "sixteen billion, four hundred eighty-one million, one hundred thirty-eight thousand, eight hundred ten".