1081377166 has 8 divisors (see below), whose sum is σ = 1622668320. Its totient is φ = 540487728.

The previous prime is 1081377163. The next prime is 1081377181. The reversal of 1081377166 is 6617731801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081377163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93606 + ... + 104521.

It is an arithmetic number, because the mean of its divisors is an integer number (202833540).

Almost surely, 2^1081377166 is an apocalyptic number.

1081377166 is a deficient number, since it is larger than the sum of its proper divisors (541291154).

1081377166 is a wasteful number, since it uses less digits than its factorization.

1081377166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200858.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1081377166 is about 32884.2996884532. The cubic root of 1081377166 is about 1026.4214792062.

The spelling of 1081377166 in words is "one billion, eighty-one million, three hundred seventy-seven thousand, one hundred sixty-six".