66037530064 has 40 divisors (see below), whose sum is σ = 147789880128. Its totient is φ = 28251348480.

The previous prime is 66037530043. The next prime is 66037530067. The reversal of 66037530064 is 46003573066.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66037529999 and 66037530026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66037530067) 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, 11032692 + ... + 11038675.

Almost surely, 2^66037530064 is an apocalyptic number.

It is an amenable number.

66037530064 is an abundant number, since it is smaller than the sum of its proper divisors (81752350064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66037530064 is a wasteful number, since it uses less digits than its factorization.

66037530064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071403 (or 22071397 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 66037530064 in words is "sixty-six billion, thirty-seven million, five hundred thirty thousand, sixty-four".