66132734747 has 2 divisors, whose sum is σ = 66132734748. Its totient is φ = 66132734746.

The previous prime is 66132734743. The next prime is 66132734777. The reversal of 66132734747 is 74743723166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66132734747 - 2² = 66132734743 is a prime.

It is a super-2 number, since 2×66132734747² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66132734695 and 66132734704.

It is not a weakly prime, because it can be changed into another prime (66132734743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33066367373 + 33066367374.

It is an arithmetic number, because the mean of its divisors is an integer number (33066367374).

Almost surely, 2^66132734747 is an apocalyptic number.

66132734747 is a deficient number, since it is larger than the sum of its proper divisors (1).

66132734747 is an equidigital number, since it uses as much as digits as its factorization.

66132734747 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 66132734747 in words is "sixty-six billion, one hundred thirty-two million, seven hundred thirty-four thousand, seven hundred forty-seven".