16320135435 has 16 divisors (see below), whose sum is σ = 26554798080. Its totient is φ = 8556545120.

The previous prime is 16320135397. The next prime is 16320135449. The reversal of 16320135435 is 53453102361.

It is a de Polignac number, because none of the positive numbers 2^k-16320135435 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16320135396 and 16320135405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9219531 + ... + 9221300.

It is an arithmetic number, because the mean of its divisors is an integer number (1659674880).

Almost surely, 2^16320135435 is an apocalyptic number.

16320135435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16320135435 is a deficient number, since it is larger than the sum of its proper divisors (10234662645).

16320135435 is a wasteful number, since it uses less digits than its factorization.

16320135435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440898.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 16320135435 its reverse (53453102361), we get a palindrome (69773237796).

The spelling of 16320135435 in words is "sixteen billion, three hundred twenty million, one hundred thirty-five thousand, four hundred thirty-five".