1085637168 has 600 divisors, whose sum is σ = 4214563584. Its totient is φ = 263450880.

The previous prime is 1085637151. The next prime is 1085637199. The reversal of 1085637168 is 8617365801.

1085637168 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 637 + 1 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 25247355 + ... + 25247397.

Almost surely, 2^1085637168 is an apocalyptic number.

1085637168 is a gapful number since it is divisible by the number (18) 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 1085637168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107281792).

1085637168 is an abundant number, since it is smaller than the sum of its proper divisors (3128926416).

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

1085637168 is a wasteful number, since it uses less digits than its factorization.

1085637168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1085637168 is about 32949.0086042054. The cubic root of 1085637168 is about 1027.7675492733.

The spelling of 1085637168 in words is "one billion, eighty-five million, six hundred thirty-seven thousand, one hundred sixty-eight".