1066095772 has 48 divisors (see below), whose sum is σ = 2262230208. Its totient is φ = 429143040.

The previous prime is 1066095761. The next prime is 1066095773. The reversal of 1066095772 is 2775906601.

It is a super-2 number, since 2×1066095772² = 2273120390152551968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066095773) 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 15 ways as a sum of consecutive naturals, for example, 263122 + ... + 267142.

It is an arithmetic number, because the mean of its divisors is an integer number (47129796).

Almost surely, 2^1066095772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066095772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131115104).

1066095772 is an abundant number, since it is smaller than the sum of its proper divisors (1196134436).

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

1066095772 is a wasteful number, since it uses less digits than its factorization.

1066095772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4604 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 1066095772 is about 32651.1220634146. The cubic root of 1066095772 is about 1021.5635931747.

The spelling of 1066095772 in words is "one billion, sixty-six million, ninety-five thousand, seven hundred seventy-two".