1081586688 has 352 divisors, whose sum is σ = 3664555776. Its totient is φ = 276037632.

The previous prime is 1081586687. The next prime is 1081586713. The reversal of 1081586688 is 8866851801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081586688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081586687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14816220 + ... + 14816292.

Almost surely, 2^1081586688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081586688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832277888).

1081586688 is an abundant number, since it is smaller than the sum of its proper divisors (2582969088).

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

1081586688 is a wasteful number, since it uses less digits than its factorization.

1081586688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The square root of 1081586688 is about 32887.4852793582. The cubic root of 1081586688 is about 1026.4877662828.

The spelling of 1081586688 in words is "one billion, eighty-one million, five hundred eighty-six thousand, six hundred eighty-eight".