16640364103 has 16 divisors (see below), whose sum is σ = 19259043840. Its totient is φ = 14218545600.

The previous prime is 16640364101. The next prime is 16640364157. The reversal of 16640364103 is 30146304661.

It is a cyclic number.

It is not a de Polignac number, because 16640364103 - 2¹ = 16640364101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16640364101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286918 + ... + 340003.

It is an arithmetic number, because the mean of its divisors is an integer number (1203690240).

Almost surely, 2^16640364103 is an apocalyptic number.

16640364103 is a deficient number, since it is larger than the sum of its proper divisors (2618679737).

16640364103 is a wasteful number, since it uses less digits than its factorization.

16640364103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627078.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 16640364103 its reverse (30146304661), we get a palindrome (46786668764).

The spelling of 16640364103 in words is "sixteen billion, six hundred forty million, three hundred sixty-four thousand, one hundred three".