1166981468 has 12 divisors (see below), whose sum is σ = 2060954280. Its totient is φ = 578137392.

The previous prime is 1166981437. The next prime is 1166981503. The reversal of 1166981468 is 8641896611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337846 + ... + 1338717.

It is an arithmetic number, because the mean of its divisors is an integer number (171746190).

Almost surely, 2^1166981468 is an apocalyptic number.

It is an amenable number.

1166981468 is a deficient number, since it is larger than the sum of its proper divisors (893972812).

1166981468 is a wasteful number, since it uses less digits than its factorization.

1166981468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676676 (or 2676674 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 1166981468 is about 34161.1104620444. The cubic root of 1166981468 is about 1052.8212767335.

The spelling of 1166981468 in words is "one billion, one hundred sixty-six million, nine hundred eighty-one thousand, four hundred sixty-eight".