1166146884 has 108 divisors (see below), whose sum is σ = 3477696768. Its totient is φ = 328456800.

The previous prime is 1166146879. The next prime is 1166146889. The reversal of 1166146884 is 4886416611.

It is an interprime number because it is at equal distance from previous prime (1166146879) and next prime (1166146889).

It is not an unprimeable number, because it can be changed into a prime (1166146889) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120589 + ... + 129899.

It is an arithmetic number, because the mean of its divisors is an integer number (32200896).

Almost surely, 2^1166146884 is an apocalyptic number.

1166146884 is a gapful number since it is divisible by the number (14) 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 1166146884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738848384).

1166146884 is an abundant number, since it is smaller than the sum of its proper divisors (2311549884).

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

1166146884 is a wasteful number, since it uses less digits than its factorization.

1166146884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406 (or 9394 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1166146884 is about 34148.8928663873. The cubic root of 1166146884 is about 1052.5702366602.

The spelling of 1166146884 in words is "one billion, one hundred sixty-six million, one hundred forty-six thousand, eight hundred eighty-four".