1066231144 has 32 divisors (see below), whose sum is σ = 2202539040. Its totient is φ = 479848000.

The previous prime is 1066231141. The next prime is 1066231169. The reversal of 1066231144 is 4411326601.

It is a super-2 number, since 2×1066231144² = 2273697704871097472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066231141) 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 7 ways as a sum of consecutive naturals, for example, 51094 + ... + 68869.

It is an arithmetic number, because the mean of its divisors is an integer number (68829345).

Almost surely, 2^1066231144 is an apocalyptic number.

It is an amenable number.

1066231144 is an abundant number, since it is smaller than the sum of its proper divisors (1136307896).

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

1066231144 is a wasteful number, since it uses less digits than its factorization.

1066231144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120081 (or 120077 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1066231144 is about 32653.1950044708. The cubic root of 1066231144 is about 1021.6068304577.

Adding to 1066231144 its reverse (4411326601), we get a palindrome (5477557745).

The spelling of 1066231144 in words is "one billion, sixty-six million, two hundred thirty-one thousand, one hundred forty-four".