66704074033704 has 32 divisors (see below), whose sum is σ = 175537036932000. Its totient is φ = 21064444431552.

The previous prime is 66704074033703. The next prime is 66704074033721. The reversal of 66704074033704 is 40733047040766.

It is not an unprimeable number, because it can be changed into a prime (66704074033703) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73140431599 + ... + 73140432510.

It is an arithmetic number, because the mean of its divisors is an integer number (5485532404125).

Almost surely, 2^{66704074033704} is an apocalyptic number.

It is an amenable number.

66704074033704 is an abundant number, since it is smaller than the sum of its proper divisors (108832962898296).

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

66704074033704 is a wasteful number, since it uses less digits than its factorization.

66704074033704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146280864137 (or 146280864133 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 51.

The spelling of 66704074033704 in words is "sixty-six trillion, seven hundred four billion, seventy-four million, thirty-three thousand, seven hundred four".