1066945416 has 32 divisors (see below), whose sum is σ = 2693779200. Its totient is φ = 352126400.

The previous prime is 1066945403. The next prime is 1066945421. The reversal of 1066945416 is 6145496601.

1066945416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066945416² = 2276745041446826112, 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, 217656 + ... + 222503.

It is an arithmetic number, because the mean of its divisors is an integer number (84180600).

Almost surely, 2^1066945416 is an apocalyptic number.

It is an amenable number.

1066945416 is an abundant number, since it is smaller than the sum of its proper divisors (1626833784).

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

1066945416 is a wasteful number, since it uses less digits than its factorization.

1066945416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440269 (or 440265 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1066945416 is about 32664.1304185493. The cubic root of 1066945416 is about 1021.8349055409.

The spelling of 1066945416 in words is "one billion, sixty-six million, nine hundred forty-five thousand, four hundred sixteen".