66375029753 has 4 divisors (see below), whose sum is σ = 66471086928. Its totient is φ = 66278972580.

The previous prime is 66375029731. The next prime is 66375029839. The reversal of 66375029753 is 35792057366.

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 not a de Polignac number, because 66375029753 - 2³⁴ = 49195160569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66375029695 and 66375029704.

It is not an unprimeable number, because it can be changed into a prime (66375029453) 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, 48027551 + ... + 48028932.

It is an arithmetic number, because the mean of its divisors is an integer number (16617771732).

Almost surely, 2^66375029753 is an apocalyptic number.

It is an amenable number.

66375029753 is a deficient number, since it is larger than the sum of its proper divisors (96057175).

66375029753 is an equidigital number, since it uses as much as digits as its factorization.

66375029753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96057174.

The product of its (nonzero) digits is 7144200, while the sum is 53.

The spelling of 66375029753 in words is "sixty-six billion, three hundred seventy-five million, twenty-nine thousand, seven hundred fifty-three".