1153489616 has 40 divisors (see below), whose sum is σ = 2315089920. Its totient is φ = 556101504.

The previous prime is 1153489591. The next prime is 1153489657. The reversal of 1153489616 is 6169843511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503225 + ... + 505511.

It is an arithmetic number, because the mean of its divisors is an integer number (57877248).

Almost surely, 2^1153489616 is an apocalyptic number.

1153489616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153489616 is an abundant number, since it is smaller than the sum of its proper divisors (1161600304).

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

1153489616 is a wasteful number, since it uses less digits than its factorization.

1153489616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3405 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 1153489616 is about 33963.0625238655. The cubic root of 1153489616 is about 1048.7482031523.

The spelling of 1153489616 in words is "one billion, one hundred fifty-three million, four hundred eighty-nine thousand, six hundred sixteen".