1011297168 has 120 divisors (see below), whose sum is σ = 3268207488. Its totient is φ = 285935616.

The previous prime is 1011297163. The next prime is 1011297169. The reversal of 1011297168 is 8617921101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1011297163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92605 + ... + 102947.

Almost surely, 2^1011297168 is an apocalyptic number.

1011297168 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 1011297168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634103744).

1011297168 is an abundant number, since it is smaller than the sum of its proper divisors (2256910320).

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

1011297168 is a wasteful number, since it uses less digits than its factorization.

1011297168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10461 (or 10452 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 1011297168 is about 31800.8988552211. The cubic root of 1011297168 is about 1003.7516303354.

The spelling of 1011297168 in words is "one billion, eleven million, two hundred ninety-seven thousand, one hundred sixty-eight".