66244527 has 8 divisors (see below), whose sum is σ = 98140080. Its totient is φ = 44163000.

The previous prime is 66244517. The next prime is 66244537. The reversal of 66244527 is 72544266.

66244527 is a `hidden beast` number, since 6 + 624 + 4 + 5 + 27 = 666.

It is an interprime number because it is at equal distance from previous prime (66244517) and next prime (66244537).

It is not a de Polignac number, because 66244527 - 2⁴ = 66244511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66244491 and 66244500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66244517) 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 7 ways as a sum of consecutive naturals, for example, 1226724 + ... + 1226777.

It is an arithmetic number, because the mean of its divisors is an integer number (12267510).

Almost surely, 2^66244527 is an apocalyptic number.

66244527 is a deficient number, since it is larger than the sum of its proper divisors (31895553).

66244527 is a wasteful number, since it uses less digits than its factorization.

66244527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453510 (or 2453504 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 66244527 is about 8139.0740873886. The cubic root of 66244527 is about 404.6224739823.

The spelling of 66244527 in words is "sixty-six million, two hundred forty-four thousand, five hundred twenty-seven".