66530914213 has 8 divisors (see below), whose sum is σ = 72716901120. Its totient is φ = 60597416640.

The previous prime is 66530914201. The next prime is 66530914237. The reversal of 66530914213 is 31241903566.

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

It is not a de Polignac number, because 66530914213 - 2¹³ = 66530906021 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 (66530914313) 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 7 ways as a sum of consecutive naturals, for example, 63121783 + ... + 63122836.

It is an arithmetic number, because the mean of its divisors is an integer number (9089612640).

Almost surely, 2^66530914213 is an apocalyptic number.

It is an amenable number.

66530914213 is a deficient number, since it is larger than the sum of its proper divisors (6185986907).

66530914213 is a wasteful number, since it uses less digits than its factorization.

66530914213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126244667.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 66530914213 in words is "sixty-six billion, five hundred thirty million, nine hundred fourteen thousand, two hundred thirteen".