16853484137 has 4 divisors (see below), whose sum is σ = 19261124736. Its totient is φ = 14445843540.

The previous prime is 16853484133. The next prime is 16853484161. The reversal of 16853484137 is 73148435861.

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: 73148435861 = 37 ⋅1976984753.

It is a cyclic number.

It is not a de Polignac number, because 16853484137 - 2² = 16853484133 is a prime.

It is a super-2 number, since 2×16853484137² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16853484133) 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, 1203820289 + ... + 1203820302.

It is an arithmetic number, because the mean of its divisors is an integer number (4815281184).

Almost surely, 2^16853484137 is an apocalyptic number.

It is an amenable number.

16853484137 is a deficient number, since it is larger than the sum of its proper divisors (2407640599).

16853484137 is an equidigital number, since it uses as much as digits as its factorization.

16853484137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407640598.

The product of its digits is 1935360, while the sum is 50.

The spelling of 16853484137 in words is "sixteen billion, eight hundred fifty-three million, four hundred eighty-four thousand, one hundred thirty-seven".