1051770564 has 36 divisors (see below), whose sum is σ = 2863154476. Its totient is φ = 323621568.

The previous prime is 1051770563. The next prime is 1051770607. The reversal of 1051770564 is 4650771501.

1051770564 is a `hidden beast` number, since 10 + 5 + 17 + 70 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 267322500 + 784448064 = 16350^2 + 28008^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1051770564² = 2212442638593756192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1051770563) 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 11 ways as a sum of consecutive naturals, for example, 1123219 + ... + 1124154.

Almost surely, 2^1051770564 is an apocalyptic number.

It is an amenable number.

1051770564 is an abundant number, since it is smaller than the sum of its proper divisors (1811383912).

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

1051770564 is a wasteful number, since it uses less digits than its factorization.

1051770564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247396 (or 2247391 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 1051770564 is about 32431.0123801278. The cubic root of 1051770564 is about 1016.9673359331.

The spelling of 1051770564 in words is "one billion, fifty-one million, seven hundred seventy thousand, five hundred sixty-four".