16230136405 has 16 divisors (see below), whose sum is σ = 22400254080. Its totient is φ = 11058345792.

The previous prime is 16230136393. The next prime is 16230136427. The reversal of 16230136405 is 50463103261.

It is a cyclic number.

It is not a de Polignac number, because 16230136405 - 2¹⁹ = 16229612117 is a prime.

It is a congruent number.

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, 1471315 + ... + 1482304.

It is an arithmetic number, because the mean of its divisors is an integer number (1400015880).

Almost surely, 2^16230136405 is an apocalyptic number.

It is an amenable number.

16230136405 is a deficient number, since it is larger than the sum of its proper divisors (6170117675).

16230136405 is a wasteful number, since it uses less digits than its factorization.

16230136405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953788.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 16230136405 its reverse (50463103261), we get a palindrome (66693239666).

The spelling of 16230136405 in words is "sixteen billion, two hundred thirty million, one hundred thirty-six thousand, four hundred five".