66201632853 has 16 divisors (see below), whose sum is σ = 88398912000. Its totient is φ = 44069434560.

The previous prime is 66201632839. The next prime is 66201632857. The reversal of 66201632853 is 35823610266.

It is a de Polignac number, because none of the positive numbers 2^k-66201632853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66201632857) by changing a digit.

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, 8324323 + ... + 8332271.

It is an arithmetic number, because the mean of its divisors is an integer number (5524932000).

Almost surely, 2^66201632853 is an apocalyptic number.

It is an amenable number.

66201632853 is a deficient number, since it is larger than the sum of its proper divisors (22197279147).

66201632853 is a wasteful number, since it uses less digits than its factorization.

66201632853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 66201632853 in words is "sixty-six billion, two hundred one million, six hundred thirty-two thousand, eight hundred fifty-three".