16852063381 has 4 divisors (see below), whose sum is σ = 16852325292. Its totient is φ = 16851801472.

The previous prime is 16852063369. The next prime is 16852063391. The reversal of 16852063381 is 18336025861.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12703544100 + 4148519281 = 112710^2 + 64409^2 .

It is a cyclic number.

It is not a de Polignac number, because 16852063381 - 2¹¹ = 16852061333 is a prime.

It is a super-2 number, since 2×16852063381² (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 (16852063321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39621 + ... + 187813.

It is an arithmetic number, because the mean of its divisors is an integer number (4213081323).

Almost surely, 2^16852063381 is an apocalyptic number.

It is an amenable number.

16852063381 is a deficient number, since it is larger than the sum of its proper divisors (261911).

16852063381 is a wasteful number, since it uses less digits than its factorization.

16852063381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261910.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 16852063381 in words is "sixteen billion, eight hundred fifty-two million, sixty-three thousand, three hundred eighty-one".