66349527 has 8 divisors (see below), whose sum is σ = 88718064. Its totient is φ = 44107008.

The previous prime is 66349519. The next prime is 66349529. The reversal of 66349527 is 72594366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66349527 - 2³ = 66349519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66349529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30268 + ... + 32385.

It is an arithmetic number, because the mean of its divisors is an integer number (11089758).

Almost surely, 2^66349527 is an apocalyptic number.

66349527 is a deficient number, since it is larger than the sum of its proper divisors (22368537).

66349527 is a wasteful number, since it uses less digits than its factorization.

66349527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63009.

The product of its digits is 272160, while the sum is 42.

The square root of 66349527 is about 8145.5218985649. The cubic root of 66349527 is about 404.8361416088.

It can be divided in two parts, 6634 and 9527, that added together give a palindrome (16161).

The spelling of 66349527 in words is "sixty-six million, three hundred forty-nine thousand, five hundred twenty-seven".