1066020756 has 24 divisors (see below), whose sum is σ = 2509397184. Its totient is φ = 352195200.

The previous prime is 1066020749. The next prime is 1066020779. The reversal of 1066020756 is 6570206601.

It is a super-2 number, since 2×1066020756² = 2272800504445623072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 391720 + ... + 394431.

It is an arithmetic number, because the mean of its divisors is an integer number (104558216).

Almost surely, 2^1066020756 is an apocalyptic number.

It is an amenable number.

1066020756 is an abundant number, since it is smaller than the sum of its proper divisors (1443376428).

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

1066020756 is a wasteful number, since it uses less digits than its factorization.

1066020756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786271 (or 786269 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1066020756 is about 32649.9732924852. The cubic root of 1066020756 is about 1021.5396317840.

The spelling of 1066020756 in words is "one billion, sixty-six million, twenty thousand, seven hundred fifty-six".