1066796840 has 32 divisors (see below), whose sum is σ = 2421544680. Its totient is φ = 422940672.

The previous prime is 1066796827. The next prime is 1066796851. The reversal of 1066796840 is 486976601.

It is a happy number.

1066796840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 214974244 + 851822596 = 14662^2 + 29186^2 .

It is a super-2 number, since 2×1066796840² = 2276110995667971200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113489 + ... + 122528.

Almost surely, 2^1066796840 is an apocalyptic number.

1066796840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066796840 is an abundant number, since it is smaller than the sum of its proper divisors (1354747840).

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

1066796840 is a wasteful number, since it uses less digits than its factorization.

1066796840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236141 (or 236137 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1066796840 is about 32661.8560403416. The cubic root of 1066796840 is about 1021.7874719396.

The spelling of 1066796840 in words is "one billion, sixty-six million, seven hundred ninety-six thousand, eight hundred forty".