16800315156 has 18 divisors (see below), whose sum is σ = 42467463402. Its totient is φ = 5600105040.

The previous prime is 16800315151. The next prime is 16800315197. The reversal of 16800315156 is 65151300861.

16800315156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16580682756 + 219632400 = 128766^2 + 14820^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 466675421 = 16800315156 / (1 + 6 + 8 + 0 + 0 + 3 + 1 + 5 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 16800315156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16800315151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233337675 + ... + 233337746.

Almost surely, 2^16800315156 is an apocalyptic number.

It is an amenable number.

16800315156 is an abundant number, since it is smaller than the sum of its proper divisors (25667148246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16800315156 is a wasteful number, since it uses less digits than its factorization.

16800315156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466675431 (or 466675426 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 16800315156 in words is "sixteen billion, eight hundred million, three hundred fifteen thousand, one hundred fifty-six".