162134124421 has 4 divisors (see below), whose sum is σ = 162158479200. Its totient is φ = 162109769644.

The previous prime is 162134124409. The next prime is 162134124511. The reversal of 162134124421 is 124421431261.

It is a happy number.

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 162134124421 - 2⁵ = 162134124389 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 (162134124821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12167401 + ... + 12180718.

It is an arithmetic number, because the mean of its divisors is an integer number (40539619800).

Almost surely, 2^162134124421 is an apocalyptic number.

It is an amenable number.

162134124421 is a deficient number, since it is larger than the sum of its proper divisors (24354779).

162134124421 is an equidigital number, since it uses as much as digits as its factorization.

162134124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354778.

The product of its digits is 9216, while the sum is 31.

Adding to 162134124421 its reverse (124421431261), we get a palindrome (286555555682).

The spelling of 162134124421 in words is "one hundred sixty-two billion, one hundred thirty-four million, one hundred twenty-four thousand, four hundred twenty-one".