1160647920 has 160 divisors (see below), whose sum is σ = 4030218240. Its totient is φ = 306996480.

The previous prime is 1160647913. The next prime is 1160647921. The reversal of 1160647920 is 297460611.

1160647920 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 647 + 9 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160647921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272205 + ... + 276435.

It is an arithmetic number, because the mean of its divisors is an integer number (25188864).

Almost surely, 2^1160647920 is an apocalyptic number.

1160647920 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 1160647920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015109120).

1160647920 is an abundant number, since it is smaller than the sum of its proper divisors (2869570320).

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

1160647920 is a wasteful number, since it uses less digits than its factorization.

1160647920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1160647920 is about 34068.2831971322. The cubic root of 1160647920 is about 1050.9131647916.

The spelling of 1160647920 in words is "one billion, one hundred sixty million, six hundred forty-seven thousand, nine hundred twenty".