16513103406 has 16 divisors (see below), whose sum is σ = 33027548544. Its totient is φ = 5504144184.

The previous prime is 16513103401. The next prime is 16513103407. The reversal of 16513103406 is 60430131561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513103401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181911 + ... + 257133.

It is an arithmetic number, because the mean of its divisors is an integer number (2064221784).

Almost surely, 2^16513103406 is an apocalyptic number.

16513103406 is an abundant number, since it is smaller than the sum of its proper divisors (16514445138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16513103406 is a wasteful number, since it uses less digits than its factorization.

16513103406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111815.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 16513103406 its reverse (60430131561), we get a palindrome (76943234967).

The spelling of 16513103406 in words is "sixteen billion, five hundred thirteen million, one hundred three thousand, four hundred six".