1155194668 has 12 divisors (see below), whose sum is σ = 2025135112. Its totient is φ = 576584640.

The previous prime is 1155194657. The next prime is 1155194683. The reversal of 1155194668 is 8664915511.

It is a super-3 number, since 3×1155194668³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 250605 + ... + 255172.

Almost surely, 2^1155194668 is an apocalyptic number.

It is an amenable number.

1155194668 is a deficient number, since it is larger than the sum of its proper divisors (869940444).

1155194668 is a wasteful number, since it uses less digits than its factorization.

1155194668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506352 (or 506350 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 1155194668 is about 33988.1548189954. The cubic root of 1155194668 is about 1049.2646909319.

The spelling of 1155194668 in words is "one billion, one hundred fifty-five million, one hundred ninety-four thousand, six hundred sixty-eight".