253307537688 has 32 divisors (see below), whose sum is σ = 635093847360. Its totient is φ = 84192512160.

The previous prime is 253307537677. The next prime is 253307537741. The reversal of 253307537688 is 886735703352.

253307537688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15199858 + ... + 15216513.

It is an arithmetic number, because the mean of its divisors is an integer number (19846682730).

Almost surely, 2^253307537688 is an apocalyptic number.

It is an amenable number.

253307537688 is an abundant number, since it is smaller than the sum of its proper divisors (381786309672).

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

253307537688 is a wasteful number, since it uses less digits than its factorization.

253307537688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30416727 (or 30416723 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 253307537688 in words is "two hundred fifty-three billion, three hundred seven million, five hundred thirty-seven thousand, six hundred eighty-eight".