66700067074034 has 4 divisors (see below), whose sum is σ = 100050100611054. Its totient is φ = 33350033537016.

The previous prime is 66700067074027. The next prime is 66700067074073. The reversal of 66700067074034 is 43047076000766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63461856027025 + 3238211047009 = 7966295^2 + 1799503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675016768507 + ... + 16675016768510.

Almost surely, 2^{66700067074034} is an apocalyptic number.

66700067074034 is a deficient number, since it is larger than the sum of its proper divisors (33350033537020).

66700067074034 is a wasteful number, since it uses less digits than its factorization.

66700067074034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350033537019.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 66700067074034 in words is "sixty-six trillion, seven hundred billion, sixty-seven million, seventy-four thousand, thirty-four".