66736707074007 has 32 divisors (see below), whose sum is σ = 95255322624000. Its totient is φ = 41434136488800.

The previous prime is 66736707073963. The next prime is 66736707074047. The reversal of 66736707074007 is 70047070763766.

It is not a de Polignac number, because 66736707074007 - 2⁶ = 66736707073943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66736707074047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161011882 + ... + 161425832.

It is an arithmetic number, because the mean of its divisors is an integer number (2976728832000).

Almost surely, 2^{66736707074007} is an apocalyptic number.

66736707074007 is a deficient number, since it is larger than the sum of its proper divisors (28518615549993).

66736707074007 is a wasteful number, since it uses less digits than its factorization.

66736707074007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461971.

The product of its (nonzero) digits is 43563744, while the sum is 60.

The spelling of 66736707074007 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred seven million, seventy-four thousand, seven".