66622046084 has 24 divisors (see below), whose sum is σ = 127853462016. Its totient is φ = 30124196000.

The previous prime is 66622046069. The next prime is 66622046107. The reversal of 66622046084 is 48064022666.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955307 + ... + 3972114.

It is an arithmetic number, because the mean of its divisors is an integer number (5327227584).

Almost surely, 2^66622046084 is an apocalyptic number.

It is an amenable number.

66622046084 is a deficient number, since it is larger than the sum of its proper divisors (61231415932).

66622046084 is a wasteful number, since it uses less digits than its factorization.

66622046084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927627 (or 7927625 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 66622046084 in words is "sixty-six billion, six hundred twenty-two million, forty-six thousand, eighty-four".