66020271053 has 16 divisors (see below), whose sum is σ = 75040266240. Its totient is φ = 57539492400.

The previous prime is 66020271043. The next prime is 66020271077. The reversal of 66020271053 is 35017202066.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66020271053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66020271043) 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 15 ways as a sum of consecutive naturals, for example, 868223 + ... + 941196.

It is an arithmetic number, because the mean of its divisors is an integer number (4690016640).

Almost surely, 2^66020271053 is an apocalyptic number.

It is an amenable number.

66020271053 is a deficient number, since it is larger than the sum of its proper divisors (9019995187).

66020271053 is a wasteful number, since it uses less digits than its factorization.

66020271053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809568.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 66020271053 in words is "sixty-six billion, twenty million, two hundred seventy-one thousand, fifty-three".