21162468110 has 32 divisors (see below), whose sum is σ = 43563828672. Its totient is φ = 7250768640.

The previous prime is 21162468077. The next prime is 21162468143. The reversal of 21162468110 is 1186426112.

It is an interprime number because it is at equal distance from previous prime (21162468077) and next prime (21162468143).

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 15 ways as a sum of consecutive naturals, for example, 1604 + ... + 205736.

It is an arithmetic number, because the mean of its divisors is an integer number (1361369646).

Almost surely, 2^21162468110 is an apocalyptic number.

21162468110 is an abundant number, since it is smaller than the sum of its proper divisors (22401360562).

21162468110 is a wasteful number, since it uses less digits than its factorization.

21162468110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205628.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 21162468110 in words is "twenty-one billion, one hundred sixty-two million, four hundred sixty-eight thousand, one hundred ten".