1146688188 has 48 divisors (see below), whose sum is σ = 2780148000. Its totient is φ = 367411968.

The previous prime is 1146688139. The next prime is 1146688241. The reversal of 1146688188 is 8818866411.

It is a self number, because there is not a number n which added to its sum of digits gives 1146688188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72498 + ... + 86886.

It is an arithmetic number, because the mean of its divisors is an integer number (57919750).

Almost surely, 2^1146688188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146688188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390074000).

1146688188 is an abundant number, since it is smaller than the sum of its proper divisors (1633459812).

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

1146688188 is a wasteful number, since it uses less digits than its factorization.

1146688188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654 (or 14652 counting only the distinct ones).

The product of its digits is 589824, while the sum is 51.

The square root of 1146688188 is about 33862.7847053369. The cubic root of 1146688188 is about 1046.6828613034.

The spelling of 1146688188 in words is "one billion, one hundred forty-six million, six hundred eighty-eight thousand, one hundred eighty-eight".