66004802242742 has 128 divisors (see below), whose sum is σ = 115750982983680. Its totient is φ = 27926925143040.

The previous prime is 66004802242741. The next prime is 66004802242891. The reversal of 66004802242742 is 24724220840066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66004802242741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11113787609 + ... + 11113793547.

It is an arithmetic number, because the mean of its divisors is an integer number (904304554560).

Almost surely, 2^{66004802242742} is an apocalyptic number.

66004802242742 is a deficient number, since it is larger than the sum of its proper divisors (49746180740938).

66004802242742 is a wasteful number, since it uses less digits than its factorization.

66004802242742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818.

The product of its (nonzero) digits is 2064384, while the sum is 47.

The spelling of 66004802242742 in words is "sixty-six trillion, four billion, eight hundred two million, two hundred forty-two thousand, seven hundred forty-two".