1066938864 has 20 divisors (see below), whose sum is σ = 2756258856. Its totient is φ = 355646272.

The previous prime is 1066938827. The next prime is 1066938877. The reversal of 1066938864 is 4688396601.

It is a super-2 number, since 2×1066938864² = 2276717079027220992, which contains 22 as substring.

It is a zygodrome in base 2.

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, 11113899 + ... + 11113994.

Almost surely, 2^1066938864 is an apocalyptic number.

It is an amenable number.

1066938864 is an abundant number, since it is smaller than the sum of its proper divisors (1689319992).

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

1066938864 is a wasteful number, since it uses less digits than its factorization.

1066938864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22227904 (or 22227898 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 1066938864 is about 32664.0301248943. The cubic root of 1066938864 is about 1021.8328138763.

The spelling of 1066938864 in words is "one billion, sixty-six million, nine hundred thirty-eight thousand, eight hundred sixty-four".