66737034040707 has 12 divisors (see below), whose sum is σ = 96398230144320. Its totient is φ = 44491221218448.

The previous prime is 66737034040697. The next prime is 66737034040711. The reversal of 66737034040707 is 70704043073766.

66737034040707 is a `hidden beast` number, since 66 + 73 + 70 + 3 + 40 + 407 + 0 + 7 = 666.

66737034040707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66737034040707 - 2⁶ = 66737034040643 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66737034040757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8051283 + ... + 14081804.

It is an arithmetic number, because the mean of its divisors is an integer number (8033185845360).

Almost surely, 2^{66737034040707} is an apocalyptic number.

66737034040707 is a deficient number, since it is larger than the sum of its proper divisors (29661196103613).

66737034040707 is a wasteful number, since it uses less digits than its factorization.

66737034040707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468122 (or 22468119 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 54.

The spelling of 66737034040707 in words is "sixty-six trillion, seven hundred thirty-seven billion, thirty-four million, forty thousand, seven hundred seven".