253501644116 has 24 divisors (see below), whose sum is σ = 524486161920. Its totient is φ = 104897231712.

The previous prime is 253501644103. The next prime is 253501644131. The reversal of 253501644116 is 611446105352.

It is a self number, because there is not a number n which added to its sum of digits gives 253501644116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156096260 + ... + 156097883.

It is an arithmetic number, because the mean of its divisors is an integer number (21853590080).

Almost surely, 2^253501644116 is an apocalyptic number.

It is an amenable number.

253501644116 is an abundant number, since it is smaller than the sum of its proper divisors (270984517804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253501644116 is a wasteful number, since it uses less digits than its factorization.

253501644116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312194183 (or 312194181 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 253501644116 its reverse (611446105352), we get a palindrome (864947749468).

The spelling of 253501644116 in words is "two hundred fifty-three billion, five hundred one million, six hundred forty-four thousand, one hundred sixteen".