16802504531481 has 8 divisors (see below), whose sum is σ = 22404504411904. Its totient is φ = 11201087169360.

The previous prime is 16802504531467. The next prime is 16802504531489. The reversal of 16802504531481 is 18413540520861.

It is a happy number.

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

It is not a de Polignac number, because 16802504531481 - 2¹⁵ = 16802504498713 is a prime.

It is a super-2 number, since 2×16802504531481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16802504531481.

It is not an unprimeable number, because it can be changed into a prime (16802504531489) 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, 145562266 + ... + 145677651.

It is an arithmetic number, because the mean of its divisors is an integer number (2800563051488).

Almost surely, 2^{16802504531481} is an apocalyptic number.

It is an amenable number.

16802504531481 is a deficient number, since it is larger than the sum of its proper divisors (5601999880423).

16802504531481 is a wasteful number, since it uses less digits than its factorization.

16802504531481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291259151.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 16802504531481 in words is "sixteen trillion, eight hundred two billion, five hundred four million, five hundred thirty-one thousand, four hundred eighty-one".