1167784560 has 160 divisors (see below), whose sum is σ = 4108308480. Its totient is φ = 304756992.

The previous prime is 1167784547. The next prime is 1167784561. The reversal of 1167784560 is 654877611.

1167784560 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 7 + 84 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167784561) 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, 95769 + ... + 107271.

It is an arithmetic number, because the mean of its divisors is an integer number (25676928).

Almost surely, 2^1167784560 is an apocalyptic number.

1167784560 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 1167784560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054154240).

1167784560 is an abundant number, since it is smaller than the sum of its proper divisors (2940523920).

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

1167784560 is a wasteful number, since it uses less digits than its factorization.

1167784560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572 (or 11560 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1167784560 is about 34172.8629178183. The cubic root of 1167784560 is about 1053.0627311432.

The spelling of 1167784560 in words is "one billion, one hundred sixty-seven million, seven hundred eighty-four thousand, five hundred sixty".