66363572 has 12 divisors (see below), whose sum is σ = 126694176. Its totient is φ = 30165240.

The previous prime is 66363553. The next prime is 66363589. The reversal of 66363572 is 27536366.

66363572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 754088 + ... + 754175.

It is an arithmetic number, because the mean of its divisors is an integer number (10557848).

Almost surely, 2^66363572 is an apocalyptic number.

It is an amenable number.

66363572 is a deficient number, since it is larger than the sum of its proper divisors (60330604).

66363572 is a wasteful number, since it uses less digits than its factorization.

66363572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508278 (or 1508276 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 66363572 is about 8146.3839830934. The cubic root of 66363572 is about 404.8647051003.

The spelling of 66363572 in words is "sixty-six million, three hundred sixty-three thousand, five hundred seventy-two".