1064155256 has 16 divisors (see below), whose sum is σ = 2112661440. Its totient is φ = 500778880.

The previous prime is 1064155243. The next prime is 1064155297. The reversal of 1064155256 is 6525514601.

It is a super-2 number, since 2×1064155256² = 2264852817744851072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912200 + ... + 3912471.

It is an arithmetic number, because the mean of its divisors is an integer number (132041340).

Almost surely, 2^1064155256 is an apocalyptic number.

It is an amenable number.

1064155256 is a deficient number, since it is larger than the sum of its proper divisors (1048506184).

1064155256 is a wasteful number, since it uses less digits than its factorization.

1064155256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824694 (or 7824690 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1064155256 is about 32621.3926128239. The cubic root of 1064155256 is about 1020.9433973359.

Adding to 1064155256 its reverse (6525514601), we get a palindrome (7589669857).

The spelling of 1064155256 in words is "one billion, sixty-four million, one hundred fifty-five thousand, two hundred fifty-six".