16313827081803 has 4 divisors (see below), whose sum is σ = 21751769442408. Its totient is φ = 10875884721200.

The previous prime is 16313827081757. The next prime is 16313827081813. The reversal of 16313827081803 is 30818072831361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16313827081803 - 2⁹ = 16313827081291 is a prime.

It is a super-2 number, since 2×16313827081803² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16313827081813) 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, 2718971180298 + ... + 2718971180303.

It is an arithmetic number, because the mean of its divisors is an integer number (5437942360602).

Almost surely, 2^{16313827081803} is an apocalyptic number.

16313827081803 is a deficient number, since it is larger than the sum of its proper divisors (5437942360605).

16313827081803 is an equidigital number, since it uses as much as digits as its factorization.

16313827081803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437942360604.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 16313827081803 in words is "sixteen trillion, three hundred thirteen billion, eight hundred twenty-seven million, eighty-one thousand, eight hundred three".