21167326232 has 16 divisors (see below), whose sum is σ = 42741716640. Its totient is φ = 9769535136.

The previous prime is 21167326199. The next prime is 21167326267. The reversal of 21167326232 is 23262376112.

It is a junction number, because it is equal to n+sod(n) for n = 21167326192 and 21167326201.

It is a congruent number.

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, 101765888 + ... + 101766095.

It is an arithmetic number, because the mean of its divisors is an integer number (2671357290).

Almost surely, 2^21167326232 is an apocalyptic number.

It is an amenable number.

21167326232 is an abundant number, since it is smaller than the sum of its proper divisors (21574390408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21167326232 is a wasteful number, since it uses less digits than its factorization.

21167326232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203532002 (or 203531998 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The spelling of 21167326232 in words is "twenty-one billion, one hundred sixty-seven million, three hundred twenty-six thousand, two hundred thirty-two".