21603266103716 has 48 divisors (see below), whose sum is σ = 43580511959040. Its totient is φ = 9273829113120.

The previous prime is 21603266103673. The next prime is 21603266103733. The reversal of 21603266103716 is 61730166230612.

It is a super-2 number, since 2×21603266103716² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135028286 + ... + 135188181.

It is an arithmetic number, because the mean of its divisors is an integer number (907927332480).

Almost surely, 2^{21603266103716} is an apocalyptic number.

It is an amenable number.

21603266103716 is an abundant number, since it is smaller than the sum of its proper divisors (21977245855324).

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

21603266103716 is a wasteful number, since it uses less digits than its factorization.

21603266103716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270216584 (or 270216582 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 21603266103716 in words is "twenty-one trillion, six hundred three billion, two hundred sixty-six million, one hundred three thousand, seven hundred sixteen".