66883269924 has 27 divisors (see below), whose sum is σ = 169069965883. Its totient is φ = 22293906072.

The previous prime is 66883269841. The next prime is 66883269941. The reversal of 66883269924 is 42996238866.

The square root of 66883269924 is 258618.

It is a perfect power (a square), and thus also a powerful number.

66883269924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1530157 + ... + 1573259.

Almost surely, 2^66883269924 is an apocalyptic number.

66883269924 is the 258618-th square number.

It is an amenable number.

66883269924 is an abundant number, since it is smaller than the sum of its proper divisors (102186695959).

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

66883269924 is an frugal number, since it uses more digits than its factorization.

66883269924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86216 (or 43108 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The spelling of 66883269924 in words is "sixty-six billion, eight hundred eighty-three million, two hundred sixty-nine thousand, nine hundred twenty-four".