16147387873 has 4 divisors (see below), whose sum is σ = 16193922480. Its totient is φ = 16100853268.

The previous prime is 16147387859. The next prime is 16147387877. The reversal of 16147387873 is 37878374161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37878374161 = 17077 ⋅2218093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16147387873 is a prime.

It is a super-2 number, since 2×16147387873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16147387877) 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, 23266783 + ... + 23267476.

It is an arithmetic number, because the mean of its divisors is an integer number (4048480620).

Almost surely, 2^16147387873 is an apocalyptic number.

It is an amenable number.

16147387873 is a deficient number, since it is larger than the sum of its proper divisors (46534607).

16147387873 is an equidigital number, since it uses as much as digits as its factorization.

16147387873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46534606.

The product of its digits is 4741632, while the sum is 55.

The spelling of 16147387873 in words is "sixteen billion, one hundred forty-seven million, three hundred eighty-seven thousand, eight hundred seventy-three".