21163713346 has 8 divisors (see below), whose sum is σ = 31803607440. Its totient is φ = 10562510868.

The previous prime is 21163713301. The next prime is 21163713367. The reversal of 21163713346 is 64331736112.

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, 9671536 + ... + 9673723.

It is an arithmetic number, because the mean of its divisors is an integer number (3975450930).

Almost surely, 2^21163713346 is an apocalyptic number.

21163713346 is a deficient number, since it is larger than the sum of its proper divisors (10639894094).

21163713346 is a wasteful number, since it uses less digits than its factorization.

21163713346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345808.

The product of its digits is 54432, while the sum is 37.

The spelling of 21163713346 in words is "twenty-one billion, one hundred sixty-three million, seven hundred thirteen thousand, three hundred forty-six".