66441650336253 has 24 divisors (see below), whose sum is σ = 96001580001600. Its totient is φ = 44280446696640.

The previous prime is 66441650336203. The next prime is 66441650336267. The reversal of 66441650336253 is 35263305614466.

66441650336253 is a `hidden beast` number, since 6 + 6 + 4 + 4 + 1 + 6 + 5 + 0 + 3 + 3 + 625 + 3 = 666.

It is not a de Polignac number, because 66441650336253 - 2²⁹ = 66441113465341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66441650336253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66441650336203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375209225 + ... + 1375257537.

It is an arithmetic number, because the mean of its divisors is an integer number (4000065833400).

Almost surely, 2^{66441650336253} is an apocalyptic number.

It is an amenable number.

66441650336253 is a deficient number, since it is larger than the sum of its proper divisors (29559929665347).

66441650336253 is a wasteful number, since it uses less digits than its factorization.

66441650336253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93409 (or 93406 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 54.

The spelling of 66441650336253 in words is "sixty-six trillion, four hundred forty-one billion, six hundred fifty million, three hundred thirty-six thousand, two hundred fifty-three".