66002855970 has 32 divisors (see below), whose sum is σ = 165294110592. Its totient is φ = 16835510912.

The previous prime is 66002855969. The next prime is 66002856047. The reversal of 66002855970 is 7955820066.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47827467 + ... + 47828846.

It is an arithmetic number, because the mean of its divisors is an integer number (5165440956).

Almost surely, 2^66002855970 is an apocalyptic number.

66002855970 is an abundant number, since it is smaller than the sum of its proper divisors (99291254622).

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

66002855970 is a wasteful number, since it uses less digits than its factorization.

66002855970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95656346.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 66002855970 in words is "sixty-six billion, two million, eight hundred fifty-five thousand, nine hundred seventy".