1081952166 has 16 divisors (see below), whose sum is σ = 2164377600. Its totient is φ = 360571848.

The previous prime is 1081952149. The next prime is 1081952167. The reversal of 1081952166 is 6612591801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081952167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14595 + ... + 48753.

It is an arithmetic number, because the mean of its divisors is an integer number (135273600).

Almost surely, 2^1081952166 is an apocalyptic number.

1081952166 is an abundant number, since it is smaller than the sum of its proper divisors (1082425434).

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

1081952166 is a wasteful number, since it uses less digits than its factorization.

1081952166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39443.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1081952166 is about 32893.0413005547. The cubic root of 1081952166 is about 1026.6033731197.

The spelling of 1081952166 in words is "one billion, eighty-one million, nine hundred fifty-two thousand, one hundred sixty-six".