66024213375 has 32 divisors (see below), whose sum is σ = 111937235904. Its totient is φ = 34548508800.

The previous prime is 66024213371. The next prime is 66024213391. The reversal of 66024213375 is 57331242066.

It is not a de Polignac number, because 66024213375 - 2² = 66024213371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66024213371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641112 + ... + 1680861.

It is an arithmetic number, because the mean of its divisors is an integer number (3498038622).

Almost surely, 2^66024213375 is an apocalyptic number.

66024213375 is a deficient number, since it is larger than the sum of its proper divisors (45913022529).

66024213375 is a wasteful number, since it uses less digits than its factorization.

66024213375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322044 (or 3322034 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 66024213375 in words is "sixty-six billion, twenty-four million, two hundred thirteen thousand, three hundred seventy-five".