1064565888 has 64 divisors (see below), whose sum is σ = 2831152800. Its totient is φ = 354428928.

The previous prime is 1064565883. The next prime is 1064565889. The reversal of 1064565888 is 8885654601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1064565888² = 2266601059786457088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064565888.

It is not an unprimeable number, because it can be changed into a prime (1064565883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616995 + ... + 618717.

Almost surely, 2^1064565888 is an apocalyptic number.

It is an amenable number.

1064565888 is an abundant number, since it is smaller than the sum of its proper divisors (1766586912).

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

1064565888 is a wasteful number, since it uses less digits than its factorization.

1064565888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The square root of 1064565888 is about 32627.6859124272. The cubic root of 1064565888 is about 1021.0746996418.

The spelling of 1064565888 in words is "one billion, sixty-four million, five hundred sixty-five thousand, eight hundred eighty-eight".