1188165348 has 60 divisors (see below), whose sum is σ = 3111285100. Its totient is φ = 395394048.

The previous prime is 1188165283. The next prime is 1188165359. The reversal of 1188165348 is 8435618811.

It can be written as a sum of positive squares in 2 ways, for example, as 241864704 + 946300644 = 15552^2 + 30762^2 .

It is a super-2 number, since 2×1188165348² = 2823473788375922208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215328 + ... + 220776.

Almost surely, 2^1188165348 is an apocalyptic number.

1188165348 is a gapful number since it is divisible by the number (18) 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 1188165348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555642550).

1188165348 is an abundant number, since it is smaller than the sum of its proper divisors (1923119752).

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

1188165348 is a wasteful number, since it uses less digits than its factorization.

1188165348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6127 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 1188165348 is about 34469.7744117945. The cubic root of 1188165348 is about 1059.1536343484.

The spelling of 1188165348 in words is "one billion, one hundred eighty-eight million, one hundred sixty-five thousand, three hundred forty-eight".