1096556520 has 128 divisors (see below), whose sum is σ = 3343939200. Its totient is φ = 287637504.

The previous prime is 1096556473. The next prime is 1096556551. The reversal of 1096556520 is 256556901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616871 + ... + 2617289.

It is an arithmetic number, because the mean of its divisors is an integer number (26124525).

Almost surely, 2^1096556520 is an apocalyptic number.

1096556520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1096556520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671969600).

1096556520 is an abundant number, since it is smaller than the sum of its proper divisors (2247382680).

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

1096556520 is a wasteful number, since it uses less digits than its factorization.

1096556520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 1096556520 is about 33114.2947984703. The cubic root of 1096556520 is about 1031.2018270978.

The spelling of 1096556520 in words is "one billion, ninety-six million, five hundred fifty-six thousand, five hundred twenty".