1553660116 has 12 divisors (see below), whose sum is σ = 2744316288. Its totient is φ = 769569752.

The previous prime is 1553660111. The next prime is 1553660159. The reversal of 1553660116 is 6110663551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553660111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1814596 + ... + 1815451.

It is an arithmetic number, because the mean of its divisors is an integer number (228693024).

Almost surely, 2^1553660116 is an apocalyptic number.

It is an amenable number.

1553660116 is a deficient number, since it is larger than the sum of its proper divisors (1190656172).

1553660116 is a wasteful number, since it uses less digits than its factorization.

1553660116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630158 (or 3630156 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1553660116 is about 39416.4954809531. The cubic root of 1553660116 is about 1158.2047428473.

The spelling of 1553660116 in words is "one billion, five hundred fifty-three million, six hundred sixty thousand, one hundred sixteen".