1066461788 has 12 divisors (see below), whose sum is σ = 2132923632. Its totient is φ = 457055040.

The previous prime is 1066461763. The next prime is 1066461797. The reversal of 1066461788 is 8871646601.

1066461788 is an admirable number.

It is a super-2 number, since 2×1066461788² = 2274681490528313888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19043933 + ... + 19043988.

It is an arithmetic number, because the mean of its divisors is an integer number (177743636).

Almost surely, 2^1066461788 is an apocalyptic number.

It is an amenable number.

1066461788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1066461788 is a wasteful number, since it uses less digits than its factorization.

1066461788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38087932 (or 38087930 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1066461788 is about 32656.7265352791. The cubic root of 1066461788 is about 1021.6804888132.

The spelling of 1066461788 in words is "one billion, sixty-six million, four hundred sixty-one thousand, seven hundred eighty-eight".