1056662256 has 80 divisors (see below), whose sum is σ = 2944505984. Its totient is φ = 324594432.

The previous prime is 1056662237. The next prime is 1056662261. The reversal of 1056662256 is 6522666501.

It is a happy number.

It is a super-2 number, since 2×1056662256² = 2233070246510019072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 565035 + ... + 566901.

Almost surely, 2^1056662256 is an apocalyptic number.

1056662256 is a gapful number since it is divisible by the number (16) 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 1056662256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472252992).

1056662256 is an abundant number, since it is smaller than the sum of its proper divisors (1887843728).

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

1056662256 is a wasteful number, since it uses less digits than its factorization.

1056662256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1056662256 is about 32506.3417812586. The cubic root of 1056662256 is about 1018.5415064269.

The spelling of 1056662256 in words is "one billion, fifty-six million, six hundred sixty-two thousand, two hundred fifty-six".