66736707074047 has 2 divisors, whose sum is σ = 66736707074048. Its totient is φ = 66736707074046.

The previous prime is 66736707073963. The next prime is 66736707074117. The reversal of 66736707074047 is 74047070763766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66736707074047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66736707074047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66736707044047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33368353537023 + 33368353537024.

It is an arithmetic number, because the mean of its divisors is an integer number (33368353537024).

Almost surely, 2^{66736707074047} is an apocalyptic number.

66736707074047 is a deficient number, since it is larger than the sum of its proper divisors (1).

66736707074047 is an equidigital number, since it uses as much as digits as its factorization.

66736707074047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174254976, while the sum is 64.

The spelling of 66736707074047 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred seven million, seventy-four thousand, forty-seven".