66044610520430 has 32 divisors (see below), whose sum is σ = 119671219342944. Its totient is φ = 26242484944896.

The previous prime is 66044610520423. The next prime is 66044610520519. The reversal of 66044610520430 is 3402501644066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23733059 + ... + 26369438.

It is an arithmetic number, because the mean of its divisors is an integer number (3739725604467).

Almost surely, 2^{66044610520430} is an apocalyptic number.

66044610520430 is a deficient number, since it is larger than the sum of its proper divisors (53626608822514).

66044610520430 is a wasteful number, since it uses less digits than its factorization.

66044610520430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50103380.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 66044610520430 in words is "sixty-six trillion, forty-four billion, six hundred ten million, five hundred twenty thousand, four hundred thirty".