66006606050 has 96 divisors (see below), whose sum is σ = 156626832384. Its totient is φ = 20094984000.

The previous prime is 66006606047. The next prime is 66006606077. The reversal of 66006606050 is 5060660066.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 66006606050.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 33806 + ... + 364905.

It is an arithmetic number, because the mean of its divisors is an integer number (1631529504).

Almost surely, 2^66006606050 is an apocalyptic number.

66006606050 is an abundant number, since it is smaller than the sum of its proper divisors (90620226334).

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

66006606050 is a wasteful number, since it uses less digits than its factorization.

66006606050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398784 (or 398779 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 66006606050 in words is "sixty-six billion, six million, six hundred six thousand, fifty".