253106553366 has 24 divisors (see below), whose sum is σ = 548625082824. Its totient is φ = 84333843360.

The previous prime is 253106553281. The next prime is 253106553407. The reversal of 253106553366 is 663355601352.

253106553366 is a `hidden beast` number, since 2 + 5 + 3 + 106 + 5 + 533 + 6 + 6 = 666.

253106553366 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 11 ways as a sum of consecutive naturals, for example, 2872711 + ... + 2959506.

It is an arithmetic number, because the mean of its divisors is an integer number (22859378451).

Almost surely, 2^253106553366 is an apocalyptic number.

253106553366 is an abundant number, since it is smaller than the sum of its proper divisors (295518529458).

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

253106553366 is a wasteful number, since it uses less digits than its factorization.

253106553366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834636 (or 5834633 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The spelling of 253106553366 in words is "two hundred fifty-three billion, one hundred six million, five hundred fifty-three thousand, three hundred sixty-six".