21167363146 has 16 divisors (see below), whose sum is σ = 33905456640. Its totient is φ = 9889089840.

The previous prime is 21167363123. The next prime is 21167363159. The reversal of 21167363146 is 64136376112.

It is a junction number, because it is equal to n+sod(n) for n = 21167363099 and 21167363108.

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 7 ways as a sum of consecutive naturals, for example, 5884566 + ... + 5888161.

It is an arithmetic number, because the mean of its divisors is an integer number (2119091040).

Almost surely, 2^21167363146 is an apocalyptic number.

21167363146 is a deficient number, since it is larger than the sum of its proper divisors (12738093494).

21167363146 is a wasteful number, since it uses less digits than its factorization.

21167363146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772789.

The product of its digits is 108864, while the sum is 40.

The spelling of 21167363146 in words is "twenty-one billion, one hundred sixty-seven million, three hundred sixty-three thousand, one hundred forty-six".