1166881662 has 12 divisors (see below), whose sum is σ = 2528243640. Its totient is φ = 388960548.

The previous prime is 1166881657. The next prime is 1166881687. The reversal of 1166881662 is 2661886611.

It is a super-2 number, since 2×1166881662² = 2723225626223764488, which contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 32413362 + ... + 32413397.

It is an arithmetic number, because the mean of its divisors is an integer number (210686970).

Almost surely, 2^1166881662 is an apocalyptic number.

1166881662 is an abundant number, since it is smaller than the sum of its proper divisors (1361361978).

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

1166881662 is a wasteful number, since it uses less digits than its factorization.

1166881662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64826767 (or 64826764 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 1166881662 is about 34159.6496176410. The cubic root of 1166881662 is about 1052.7912617250.

The spelling of 1166881662 in words is "one billion, one hundred sixty-six million, eight hundred eighty-one thousand, six hundred sixty-two".