66474443010 has 16 divisors (see below), whose sum is σ = 159538663296. Its totient is φ = 17726518128.

The previous prime is 66474442999. The next prime is 66474443027. The reversal of 66474443010 is 1034447466.

It is a self number, because there is not a number n which added to its sum of digits gives 66474443010.

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 7 ways as a sum of consecutive naturals, for example, 1107907354 + ... + 1107907413.

It is an arithmetic number, because the mean of its divisors is an integer number (9971166456).

Almost surely, 2^66474443010 is an apocalyptic number.

66474443010 is an abundant number, since it is smaller than the sum of its proper divisors (93064220286).

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

66474443010 is a wasteful number, since it uses less digits than its factorization.

66474443010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215814777.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 66474443010 in words is "sixty-six billion, four hundred seventy-four million, four hundred forty-three thousand, ten".