253203161624 has 64 divisors (see below), whose sum is σ = 545695123200. Its totient is φ = 107893296000.

The previous prime is 253203161597. The next prime is 253203161639. The reversal of 253203161624 is 426161302352.

It is a super-2 number, since 2×253203161624² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 12408422 + ... + 12428810.

It is an arithmetic number, because the mean of its divisors is an integer number (8526486300).

Almost surely, 2^253203161624 is an apocalyptic number.

It is an amenable number.

253203161624 is an abundant number, since it is smaller than the sum of its proper divisors (292491961576).

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

253203161624 is a wasteful number, since it uses less digits than its factorization.

253203161624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21664 (or 21660 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 253203161624 its reverse (426161302352), we get a palindrome (679364463976).

The spelling of 253203161624 in words is "two hundred fifty-three billion, two hundred three million, one hundred sixty-one thousand, six hundred twenty-four".