1065161166 has 32 divisors (see below), whose sum is σ = 2245367040. Its totient is φ = 335928384.

The previous prime is 1065161117. The next prime is 1065161219. The reversal of 1065161166 is 6611615601.

It is a super-2 number, since 2×1065161166² = 2269136619108959112, 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88146 + ... + 99498.

It is an arithmetic number, because the mean of its divisors is an integer number (70167720).

Almost surely, 2^1065161166 is an apocalyptic number.

1065161166 is an abundant number, since it is smaller than the sum of its proper divisors (1180205874).

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

1065161166 is a wasteful number, since it uses less digits than its factorization.

1065161166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1065161166 is about 32636.8069210209. The cubic root of 1065161166 is about 1021.2649837924.

Adding to 1065161166 its reverse (6611615601), we get a palindrome (7676776767).

It can be divided in two parts, 10651 and 61166, that added together give a palindrome (71817).

The spelling of 1065161166 in words is "one billion, sixty-five million, one hundred sixty-one thousand, one hundred sixty-six".