16297007851 has 4 divisors (see below), whose sum is σ = 16326801832. Its totient is φ = 16267213872.

The previous prime is 16297007821. The next prime is 16297007873. The reversal of 16297007851 is 15870079261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15870079261 = 1567 ⋅10127683.

It is a cyclic number.

It is not a de Polignac number, because 16297007851 - 2¹⁹ = 16296483563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16297007801) 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 3 ways as a sum of consecutive naturals, for example, 14896170 + ... + 14897263.

It is an arithmetic number, because the mean of its divisors is an integer number (4081700458).

Almost surely, 2^16297007851 is an apocalyptic number.

16297007851 is a deficient number, since it is larger than the sum of its proper divisors (29793981).

16297007851 is an equidigital number, since it uses as much as digits as its factorization.

16297007851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29793980.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 16297007851 in words is "sixteen billion, two hundred ninety-seven million, seven thousand, eight hundred fifty-one".