66001064763 has 4 divisors (see below), whose sum is σ = 88001419688. Its totient is φ = 44000709840.

The previous prime is 66001064761. The next prime is 66001064771. The reversal of 66001064763 is 36746010066.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 66001064763 - 2¹ = 66001064761 is a prime.

It is a super-2 number, since 2×66001064763² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66001064761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000177458 + ... + 11000177463.

It is an arithmetic number, because the mean of its divisors is an integer number (22000354922).

Almost surely, 2^66001064763 is an apocalyptic number.

66001064763 is a deficient number, since it is larger than the sum of its proper divisors (22000354925).

66001064763 is a wasteful number, since it uses less digits than its factorization.

66001064763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000354924.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 66001064763 in words is "sixty-six billion, one million, sixty-four thousand, seven hundred sixty-three".