21344315162 has 8 divisors (see below), whose sum is σ = 32150433600. Its totient is φ = 10627503964.

The previous prime is 21344315149. The next prime is 21344315219. The reversal of 21344315162 is 26151344312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22326212 + ... + 22327167.

It is an arithmetic number, because the mean of its divisors is an integer number (4018804200).

Almost surely, 2^21344315162 is an apocalyptic number.

21344315162 is a deficient number, since it is larger than the sum of its proper divisors (10806118438).

21344315162 is a wasteful number, since it uses less digits than its factorization.

21344315162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44653620.

The product of its digits is 17280, while the sum is 32.

Adding to 21344315162 its reverse (26151344312), we get a palindrome (47495659474).

The spelling of 21344315162 in words is "twenty-one billion, three hundred forty-four million, three hundred fifteen thousand, one hundred sixty-two".