66734074000674 has 96 divisors (see below), whose sum is σ = 156876860162880. Its totient is φ = 20433579457536.

The previous prime is 66734074000661. The next prime is 66734074000681. The reversal of 66734074000674 is 47600047043766.

66734074000674 is a `hidden beast` number, since 66 + 73 + 40 + 7 + 400 + 0 + 6 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 66734074000674.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14546887 + ... + 18576330.

It is an arithmetic number, because the mean of its divisors is an integer number (1634133960030).

Almost surely, 2^{66734074000674} is an apocalyptic number.

66734074000674 is an abundant number, since it is smaller than the sum of its proper divisors (90142786162206).

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

66734074000674 is a wasteful number, since it uses less digits than its factorization.

66734074000674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33123424 (or 33123421 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 54.

The spelling of 66734074000674 in words is "sixty-six trillion, seven hundred thirty-four billion, seventy-four million, six hundred seventy-four", and thus it is an aban number.