1064967660 has 72 divisors (see below), whose sum is σ = 3248547120. Its totient is φ = 282396288.

The previous prime is 1064967647. The next prime is 1064967731. The reversal of 1064967660 is 667694601.

It is a happy number.

It is a super-2 number, since 2×1064967660² = 2268312233691751200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15694 + ... + 48746.

It is an arithmetic number, because the mean of its divisors is an integer number (45118710).

Almost surely, 2^1064967660 is an apocalyptic number.

1064967660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064967660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624273560).

1064967660 is an abundant number, since it is smaller than the sum of its proper divisors (2183579460).

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

1064967660 is a wasteful number, since it uses less digits than its factorization.

1064967660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33247 (or 33242 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1064967660 is about 32633.8422500324. The cubic root of 1064967660 is about 1021.2031362283.

The spelling of 1064967660 in words is "one billion, sixty-four million, nine hundred sixty-seven thousand, six hundred sixty".