1066161100 has 18 divisors (see below), whose sum is σ = 2313569804. Its totient is φ = 426464400.

The previous prime is 1066161097. The next prime is 1066161101. The reversal of 1066161100 is 11616601.

It is a super-2 number, since 2×1066161100² = 2273398982306420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066161101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5330706 + ... + 5330905.

Almost surely, 2^1066161100 is an apocalyptic number.

1066161100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066161100 is an abundant number, since it is smaller than the sum of its proper divisors (1247408704).

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

1066161100 is a wasteful number, since it uses less digits than its factorization.

1066161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661625 (or 10661618 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1066161100 is about 32652.1224424998. The cubic root of 1066161100 is about 1021.5844591373.

Adding to 1066161100 its reverse (11616601), we get a palindrome (1077777701).

The spelling of 1066161100 in words is "one billion, sixty-six million, one hundred sixty-one thousand, one hundred".