66035023325263 has 4 divisors (see below), whose sum is σ = 66110319817960. Its totient is φ = 65959726832568.

The previous prime is 66035023325153. The next prime is 66035023325267. The reversal of 66035023325263 is 36252332053066.

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

It is a cyclic number.

It is not a de Polignac number, because 66035023325263 - 2¹³ = 66035023317071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66035023325267) 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, 37648245033 + ... + 37648246786.

It is an arithmetic number, because the mean of its divisors is an integer number (16527579954490).

Almost surely, 2^{66035023325263} is an apocalyptic number.

66035023325263 is a deficient number, since it is larger than the sum of its proper divisors (75296492697).

66035023325263 is an equidigital number, since it uses as much as digits as its factorization.

66035023325263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75296492696.

The product of its (nonzero) digits is 3499200, while the sum is 46.

The spelling of 66035023325263 in words is "sixty-six trillion, thirty-five billion, twenty-three million, three hundred twenty-five thousand, two hundred sixty-three".