21762754016 has 12 divisors (see below), whose sum is σ = 42845422032. Its totient is φ = 10881376992.

The previous prime is 21762754009. The next prime is 21762754043. The reversal of 21762754016 is 61045726712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340043000 + ... + 340043063.

It is an arithmetic number, because the mean of its divisors is an integer number (3570451836).

Almost surely, 2^21762754016 is an apocalyptic number.

It is an amenable number.

21762754016 is a deficient number, since it is larger than the sum of its proper divisors (21082668016).

21762754016 is an equidigital number, since it uses as much as digits as its factorization.

21762754016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680086073 (or 680086065 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 21762754016 in words is "twenty-one billion, seven hundred sixty-two million, seven hundred fifty-four thousand, sixteen".