66252653301 has 4 divisors (see below), whose sum is σ = 88336871072. Its totient is φ = 44168435532.

The previous prime is 66252653273. The next prime is 66252653303. The reversal of 66252653301 is 10335625266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 66252653301 - 2¹⁴ = 66252636917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66252653301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66252653303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11042108881 + ... + 11042108886.

It is an arithmetic number, because the mean of its divisors is an integer number (22084217768).

Almost surely, 2^66252653301 is an apocalyptic number.

It is an amenable number.

66252653301 is a deficient number, since it is larger than the sum of its proper divisors (22084217771).

66252653301 is a wasteful number, since it uses less digits than its factorization.

66252653301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22084217770.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 66252653301 in words is "sixty-six billion, two hundred fifty-two million, six hundred fifty-three thousand, three hundred one".