1081168896 has 88 divisors (see below), whose sum is σ = 2974929664. Its totient is φ = 348733440.

The previous prime is 1081168877. The next prime is 1081168937. The reversal of 1081168896 is 6988611801.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 89556 + ... + 100908.

Almost surely, 2^1081168896 is an apocalyptic number.

1081168896 is a gapful number since it is divisible by the number (16) 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 1081168896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487464832).

1081168896 is an abundant number, since it is smaller than the sum of its proper divisors (1893760768).

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

1081168896 is a wasteful number, since it uses less digits than its factorization.

1081168896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407 (or 11389 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 1081168896 is about 32881.1328272005. The cubic root of 1081168896 is about 1026.3555797422.

The spelling of 1081168896 in words is "one billion, eighty-one million, one hundred sixty-eight thousand, eight hundred ninety-six".