16637540113 has 4 divisors (see below), whose sum is σ = 16764544368. Its totient is φ = 16510535860.

The previous prime is 16637540089. The next prime is 16637540119. The reversal of 16637540113 is 31104573661.

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.

It is a cyclic number.

It is not a de Polignac number, because 16637540113 - 2⁵ = 16637540081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16637540119) 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, 63501931 + ... + 63502192.

It is an arithmetic number, because the mean of its divisors is an integer number (4191136092).

Almost surely, 2^16637540113 is an apocalyptic number.

It is an amenable number.

16637540113 is a deficient number, since it is larger than the sum of its proper divisors (127004255).

16637540113 is a wasteful number, since it uses less digits than its factorization.

16637540113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127004254.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 16637540113 in words is "sixteen billion, six hundred thirty-seven million, five hundred forty thousand, one hundred thirteen".