1553136368 has 40 divisors (see below), whose sum is σ = 3443529600. Its totient is φ = 664770240.

The previous prime is 1553136359. The next prime is 1553136443. The reversal of 1553136368 is 8636313551.

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, 82283 + ... + 99381.

It is an arithmetic number, because the mean of its divisors is an integer number (86088240).

Almost surely, 2^1553136368 is an apocalyptic number.

It is an amenable number.

1553136368 is an abundant number, since it is smaller than the sum of its proper divisors (1890393232).

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

1553136368 is a wasteful number, since it uses less digits than its factorization.

1553136368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925 (or 17919 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 1553136368 is about 39409.8511542482. The cubic root of 1553136368 is about 1158.0745823341.

The spelling of 1553136368 in words is "one billion, five hundred fifty-three million, one hundred thirty-six thousand, three hundred sixty-eight".