16347827851 has 4 divisors (see below), whose sum is σ = 16531511400. Its totient is φ = 16164144304.

The previous prime is 16347827843. The next prime is 16347827863. The reversal of 16347827851 is 15872874361.

16347827851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16347827851 - 2³ = 16347827843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16347827801) 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 3 ways as a sum of consecutive naturals, for example, 91841641 + ... + 91841818.

It is an arithmetic number, because the mean of its divisors is an integer number (4132877850).

Almost surely, 2^16347827851 is an apocalyptic number.

16347827851 is a deficient number, since it is larger than the sum of its proper divisors (183683549).

16347827851 is an equidigital number, since it uses as much as digits as its factorization.

16347827851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183683548.

The product of its digits is 2257920, while the sum is 52.

The spelling of 16347827851 in words is "sixteen billion, three hundred forty-seven million, eight hundred twenty-seven thousand, eight hundred fifty-one".