1167868020 has 96 divisors (see below), whose sum is σ = 3574037376. Its totient is φ = 282585600.

The previous prime is 1167867979. The next prime is 1167868021. The reversal of 1167868020 is 208687611.

It is a self number, because there is not a number n which added to its sum of digits gives 1167868020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167868021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434922 + ... + 437598.

It is an arithmetic number, because the mean of its divisors is an integer number (37229556).

Almost surely, 2^1167868020 is an apocalyptic number.

1167868020 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 1167868020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787018688).

1167868020 is an abundant number, since it is smaller than the sum of its proper divisors (2406169356).

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

1167868020 is a wasteful number, since it uses less digits than its factorization.

1167868020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1167868020 is about 34174.0840403953. The cubic root of 1167868020 is about 1053.0878175404.

The spelling of 1167868020 in words is "one billion, one hundred sixty-seven million, eight hundred sixty-eight thousand, twenty".