66110423324445 has 48 divisors (see below), whose sum is σ = 115432965153792. Its totient is φ = 34999972335360.

The previous prime is 66110423324423. The next prime is 66110423324537. The reversal of 66110423324445 is 54442332401166.

66110423324445 is a `hidden beast` number, since 6 + 6 + 110 + 42 + 33 + 24 + 445 = 666.

It is not a de Polignac number, because 66110423324445 - 2¹³ = 66110423316253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 66110423324445.

It is a congruent number.

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, 145705204 + ... + 146158226.

It is an arithmetic number, because the mean of its divisors is an integer number (2404853440704).

Almost surely, 2^{66110423324445} is an apocalyptic number.

It is an amenable number.

66110423324445 is a deficient number, since it is larger than the sum of its proper divisors (49322541829347).

66110423324445 is a wasteful number, since it uses less digits than its factorization.

66110423324445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476842 (or 476839 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 66110423324445 in words is "sixty-six trillion, one hundred ten billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred forty-five".