1066255884 has 18 divisors (see below), whose sum is σ = 2695258020. Its totient is φ = 355418616.

The previous prime is 1066255871. The next prime is 1066255891. The reversal of 1066255884 is 4885526601.

1066255884 is a `hidden beast` number, since 1 + 0 + 6 + 62 + 5 + 588 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1066255884² = 2273803220329242912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14809074 + ... + 14809145.

Almost surely, 2^1066255884 is an apocalyptic number.

It is an amenable number.

1066255884 is an abundant number, since it is smaller than the sum of its proper divisors (1629002136).

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

1066255884 is a wasteful number, since it uses less digits than its factorization.

1066255884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29618229 (or 29618224 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 1066255884 is about 32653.5738319713. The cubic root of 1066255884 is about 1021.6147319207.

The spelling of 1066255884 in words is "one billion, sixty-six million, two hundred fifty-five thousand, eight hundred eighty-four".