66001242353 has 4 divisors (see below), whose sum is σ = 66796438128. Its totient is φ = 65206046580.

The previous prime is 66001242337. The next prime is 66001242371. The reversal of 66001242353 is 35324210066.

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 66001242353 - 2⁴ = 66001242337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66001242053) 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, 397597763 + ... + 397597928.

It is an arithmetic number, because the mean of its divisors is an integer number (16699109532).

Almost surely, 2^66001242353 is an apocalyptic number.

It is an amenable number.

66001242353 is a deficient number, since it is larger than the sum of its proper divisors (795195775).

66001242353 is an equidigital number, since it uses as much as digits as its factorization.

66001242353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795195774.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 66001242353 in words is "sixty-six billion, one million, two hundred forty-two thousand, three hundred fifty-three".