1066206144 has 28 divisors (see below), whose sum is σ = 2821004264. Its totient is φ = 355401984.

The previous prime is 1066206133. The next prime is 1066206151. The reversal of 1066206144 is 4416026601.

It is a super-2 number, since 2×1066206144² = 2273591083006697472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776387 + ... + 2776770.

Almost surely, 2^1066206144 is an apocalyptic number.

It is an amenable number.

1066206144 is an abundant number, since it is smaller than the sum of its proper divisors (1754798120).

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

1066206144 is an equidigital number, since it uses as much as digits as its factorization.

1066206144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553172 (or 5553162 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1066206144 is about 32652.8121912953. The cubic root of 1066206144 is about 1021.5988458319.

The spelling of 1066206144 in words is "one billion, sixty-six million, two hundred six thousand, one hundred forty-four".