253166727661353 has 80 divisors (see below), whose sum is σ = 415796090130432. Its totient is φ = 152234294940000.

The previous prime is 253166727661297. The next prime is 253166727661361. The reversal of 253166727661353 is 353166727661352.

It is a happy number.

253166727661353 is a `hidden beast` number, since 2 + 5 + 3 + 1 + 6 + 6 + 7 + 2 + 7 + 6 + 613 + 5 + 3 = 666.

253166727661353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253166727661353 - 2²⁴ = 253166710884137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253166727641353) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 624371400 + ... + 624776742.

Almost surely, 2^{253166727661353} is an apocalyptic number.

It is an amenable number.

253166727661353 is a deficient number, since it is larger than the sum of its proper divisors (162629362469079).

253166727661353 is a wasteful number, since it uses less digits than its factorization.

253166727661353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410848 (or 410839 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 63.

Subtracting 253166727661353 from its reverse (353166727661352), we obtain a palindrome (99999999999999).

The spelling of 253166727661353 in words is "two hundred fifty-three trillion, one hundred sixty-six billion, seven hundred twenty-seven million, six hundred sixty-one thousand, three hundred fifty-three".