66201652744 has 16 divisors (see below), whose sum is σ = 129524973120. Its totient is φ = 31661659920.

The previous prime is 66201652729. The next prime is 66201652763. The reversal of 66201652744 is 44725610266.

66201652744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66201652744.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179895612 + ... + 179895979.

It is an arithmetic number, because the mean of its divisors is an integer number (8095310820).

Almost surely, 2^66201652744 is an apocalyptic number.

It is an amenable number.

66201652744 is a deficient number, since it is larger than the sum of its proper divisors (63323320376).

66201652744 is a wasteful number, since it uses less digits than its factorization.

66201652744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359791620 (or 359791616 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 66201652744 in words is "sixty-six billion, two hundred one million, six hundred fifty-two thousand, seven hundred forty-four".