66525228353 has 8 divisors (see below), whose sum is σ = 66902395680. Its totient is φ = 66149123040.

The previous prime is 66525228347. The next prime is 66525228361. The reversal of 66525228353 is 35382252566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66525228353 - 2¹⁴ = 66525211969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66525228298 and 66525228307.

It is not an unprimeable number, because it can be changed into a prime (66525228853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139700 + ... + 390597.

It is an arithmetic number, because the mean of its divisors is an integer number (8362799460).

Almost surely, 2^66525228353 is an apocalyptic number.

It is an amenable number.

66525228353 is a deficient number, since it is larger than the sum of its proper divisors (377167327).

66525228353 is a wasteful number, since it uses less digits than its factorization.

66525228353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531007.

The product of its digits is 2592000, while the sum is 47.

The spelling of 66525228353 in words is "sixty-six billion, five hundred twenty-five million, two hundred twenty-eight thousand, three hundred fifty-three".