1188827668 has 24 divisors (see below), whose sum is σ = 2379734784. Its totient is φ = 509052000.

The previous prime is 1188827617. The next prime is 1188827693. The reversal of 1188827668 is 8667288811.

It is a happy number.

It is a super-2 number, since 2×1188827668² = 2826622448404636448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15093 + ... + 51043.

It is an arithmetic number, because the mean of its divisors is an integer number (99155616).

Almost surely, 2^1188827668 is an apocalyptic number.

It is an amenable number.

1188827668 is an abundant number, since it is smaller than the sum of its proper divisors (1190907116).

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

1188827668 is a wasteful number, since it uses less digits than its factorization.

1188827668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37143 (or 37141 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 55.

The square root of 1188827668 is about 34479.3803308586. The cubic root of 1188827668 is about 1059.3503994229.

The spelling of 1188827668 in words is "one billion, one hundred eighty-eight million, eight hundred twenty-seven thousand, six hundred sixty-eight".