1167399860 has 96 divisors (see below), whose sum is σ = 2923361280. Its totient is φ = 386611200.

The previous prime is 1167399851. The next prime is 1167399887. The reversal of 1167399860 is 689937611.

It is a junction number, because it is equal to n+sod(n) for n = 1167399799 and 1167399808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110906 + ... + 120974.

It is an arithmetic number, because the mean of its divisors is an integer number (30451680).

Almost surely, 2^1167399860 is an apocalyptic number.

1167399860 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 1167399860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461680640).

1167399860 is an abundant number, since it is smaller than the sum of its proper divisors (1755961420).

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

1167399860 is a wasteful number, since it uses less digits than its factorization.

1167399860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137 (or 10135 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1167399860 is about 34167.2337188717. The cubic root of 1167399860 is about 1052.9470826067.

The spelling of 1167399860 in words is "one billion, one hundred sixty-seven million, three hundred ninety-nine thousand, eight hundred sixty".