1166912892 has 120 divisors (see below), whose sum is σ = 3237843840. Its totient is φ = 365433120.

The previous prime is 1166912867. The next prime is 1166912897. The reversal of 1166912892 is 2982196611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166912897) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 805713 + ... + 807159.

It is an arithmetic number, because the mean of its divisors is an integer number (26982032).

Almost surely, 2^1166912892 is an apocalyptic number.

1166912892 is a gapful number since it is divisible by the number (12) 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 1166912892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618921920).

1166912892 is an abundant number, since it is smaller than the sum of its proper divisors (2070930948).

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

1166912892 is a wasteful number, since it uses less digits than its factorization.

1166912892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1602 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 1166912892 is about 34160.1067328543. The cubic root of 1166912892 is about 1052.8006538165.

The spelling of 1166912892 in words is "one billion, one hundred sixty-six million, nine hundred twelve thousand, eight hundred ninety-two".