66737066674033 has 16 divisors (see below), whose sum is σ = 78247294142976. Its totient is φ = 55725075624960.

The previous prime is 66737066674027. The next prime is 66737066674037. The reversal of 66737066674033 is 33047666073766.

It is not a de Polignac number, because 66737066674033 - 2¹⁷ = 66737066542961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66737066674037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172565641 + ... + 172951942.

It is an arithmetic number, because the mean of its divisors is an integer number (4890455883936).

Almost surely, 2^{66737066674033} is an apocalyptic number.

It is an amenable number.

66737066674033 is a deficient number, since it is larger than the sum of its proper divisors (11510227468943).

66737066674033 is a wasteful number, since it uses less digits than its factorization.

66737066674033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345518304.

The product of its (nonzero) digits is 288054144, while the sum is 64.

The spelling of 66737066674033 in words is "sixty-six trillion, seven hundred thirty-seven billion, sixty-six million, six hundred seventy-four thousand, thirty-three".