66767410074404 has 12 divisors (see below), whose sum is σ = 125830888217244. Its totient is φ = 30815727726624.

The previous prime is 66767410074401. The next prime is 66767410074433. The reversal of 66767410074404 is 40447001476766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22227830329600 + 44539579744804 = 4714640^2 + 6673798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66767410074404.

It is not an unprimeable number, because it can be changed into a prime (66767410074401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641994327587 + ... + 641994327690.

It is an arithmetic number, because the mean of its divisors is an integer number (10485907351437).

Almost surely, 2^{66767410074404} is an apocalyptic number.

It is an amenable number.

66767410074404 is a deficient number, since it is larger than the sum of its proper divisors (59063478142840).

66767410074404 is a wasteful number, since it uses less digits than its factorization.

66767410074404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283988655294 (or 1283988655292 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 66767410074404 in words is "sixty-six trillion, seven hundred sixty-seven billion, four hundred ten million, seventy-four thousand, four hundred four".