66565775710153 has 8 divisors (see below), whose sum is σ = 69488749526976. Its totient is φ = 63645202698000.

The previous prime is 66565775710129. The next prime is 66565775710223. The reversal of 66565775710153 is 35101757756566.

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

It is not a de Polignac number, because 66565775710153 - 2⁵ = 66565775710121 is a prime.

It is a super-3 number, since 3×66565775710153³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66565775710853) 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, 600144498 + ... + 600255403.

It is an arithmetic number, because the mean of its divisors is an integer number (8686093690872).

Almost surely, 2^{66565775710153} is an apocalyptic number.

It is an amenable number.

66565775710153 is a deficient number, since it is larger than the sum of its proper divisors (2922973816823).

66565775710153 is a wasteful number, since it uses less digits than its factorization.

66565775710153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200402335.

The product of its (nonzero) digits is 138915000, while the sum is 64.

The spelling of 66565775710153 in words is "sixty-six trillion, five hundred sixty-five billion, seven hundred seventy-five million, seven hundred ten thousand, one hundred fifty-three".