66750151764073 has 4 divisors (see below), whose sum is σ = 66823746199120. Its totient is φ = 66676557329028.

The previous prime is 66750151764067. The next prime is 66750151764221. The reversal of 66750151764073 is 37046715105766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66750151764073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66750151763999 and 66750151764017.

It is not an unprimeable number, because it can be changed into a prime (66750151764053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36797216163 + ... + 36797217976.

It is an arithmetic number, because the mean of its divisors is an integer number (16705936549780).

Almost surely, 2^{66750151764073} is an apocalyptic number.

It is an amenable number.

66750151764073 is a deficient number, since it is larger than the sum of its proper divisors (73594435047).

66750151764073 is an equidigital number, since it uses as much as digits as its factorization.

66750151764073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73594435046.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 66750151764073 in words is "sixty-six trillion, seven hundred fifty billion, one hundred fifty-one million, seven hundred sixty-four thousand, seventy-three".