1090166886 has 24 divisors (see below), whose sum is σ = 2365023024. Its totient is φ = 362928240.

The previous prime is 1090166881. The next prime is 1090166893. The reversal of 1090166886 is 6886610901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090166881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23650 + ... + 52341.

It is an arithmetic number, because the mean of its divisors is an integer number (98542626).

Almost surely, 2^1090166886 is an apocalyptic number.

1090166886 is an abundant number, since it is smaller than the sum of its proper divisors (1274856138).

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

1090166886 is a wasteful number, since it uses less digits than its factorization.

1090166886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76796 (or 76793 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1090166886 is about 33017.6753572992. The cubic root of 1090166886 is about 1029.1949866648.

The spelling of 1090166886 in words is "one billion, ninety million, one hundred sixty-six thousand, eight hundred eighty-six".