66575127624231 has 64 divisors (see below), whose sum is σ = 92984620861440. Its totient is φ = 42334516224000.

The previous prime is 66575127624197. The next prime is 66575127624241. The reversal of 66575127624231 is 13242672157566.

It is not a de Polignac number, because 66575127624231 - 2¹⁵ = 66575127591463 is a prime.

It is a super-2 number, since 2×66575127624231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66575127624241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1071531775 + ... + 1071593903.

It is an arithmetic number, because the mean of its divisors is an integer number (1452884700960).

Almost surely, 2^{66575127624231} is an apocalyptic number.

66575127624231 is a deficient number, since it is larger than the sum of its proper divisors (26409493237209).

66575127624231 is a wasteful number, since it uses less digits than its factorization.

66575127624231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288.

The product of its digits is 25401600, while the sum is 57.

The spelling of 66575127624231 in words is "sixty-six trillion, five hundred seventy-five billion, one hundred twenty-seven million, six hundred twenty-four thousand, two hundred thirty-one".