1081966167 has 10 divisors (see below), whose sum is σ = 1616270568. Its totient is φ = 721310724.

The previous prime is 1081966163. The next prime is 1081966219. The reversal of 1081966167 is 7616691801.

1081966167 is a `hidden beast` number, since 10 + 8 + 19 + 6 + 616 + 7 = 666.

It is not a de Polignac number, because 1081966167 - 2² = 1081966163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081966163) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6678723 + ... + 6678884.

Almost surely, 2^1081966167 is an apocalyptic number.

1081966167 is a deficient number, since it is larger than the sum of its proper divisors (534304401).

1081966167 is an equidigital number, since it uses as much as digits as its factorization.

1081966167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357619 (or 13357610 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1081966167 is about 32893.2541260362. The cubic root of 1081966167 is about 1026.6078013536.

The spelling of 1081966167 in words is "one billion, eighty-one million, nine hundred sixty-six thousand, one hundred sixty-seven".