1064194864 has 30 divisors (see below), whose sum is σ = 2171558060. Its totient is φ = 503822880.

The previous prime is 1064194861. The next prime is 1064194903. The reversal of 1064194864 is 4684914601.

It is a super-2 number, since 2×1064194864² = 2265021417127956992, 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 1064194864.

It is not an unprimeable number, because it can be changed into a prime (1064194861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567849 + ... + 569719.

Almost surely, 2^1064194864 is an apocalyptic number.

It is an amenable number.

1064194864 is an abundant number, since it is smaller than the sum of its proper divisors (1107363196).

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

1064194864 is an frugal number, since it uses more digits than its factorization.

1064194864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1064194864 is about 32621.9996934584. Note that the first 3 decimals coincide. The cubic root of 1064194864 is about 1020.9560637284.

The spelling of 1064194864 in words is "one billion, sixty-four million, one hundred ninety-four thousand, eight hundred sixty-four".