66743341044 has 12 divisors (see below), whose sum is σ = 155734462464. Its totient is φ = 22247780344.

The previous prime is 66743341001. The next prime is 66743341073. The reversal of 66743341044 is 44014334766.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 66743340987 and 66743341005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780972532 + ... + 2780972555.

It is an arithmetic number, because the mean of its divisors is an integer number (12977871872).

Almost surely, 2^66743341044 is an apocalyptic number.

It is an amenable number.

66743341044 is an abundant number, since it is smaller than the sum of its proper divisors (88991121420).

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

66743341044 is a wasteful number, since it uses less digits than its factorization.

66743341044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561945094 (or 5561945092 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 66743341044 in words is "sixty-six billion, seven hundred forty-three million, three hundred forty-one thousand, forty-four".