1061566326 has 48 divisors (see below), whose sum is σ = 2438040384. Its totient is φ = 332673792.

The previous prime is 1061566321. The next prime is 1061566379. The reversal of 1061566326 is 6236651601.

1061566326 is a `hidden beast` number, since 1 + 0 + 6 + 15 + 6 + 632 + 6 = 666.

It is a super-2 number, since 2×1061566326² = 2253846128994276552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061566321) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 453856 + ... + 456188.

It is an arithmetic number, because the mean of its divisors is an integer number (50792508).

Almost surely, 2^1061566326 is an apocalyptic number.

1061566326 is an abundant number, since it is smaller than the sum of its proper divisors (1376474058).

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

1061566326 is a wasteful number, since it uses less digits than its factorization.

1061566326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1061566326 is about 32581.6869728994. The cubic root of 1061566326 is about 1020.1147910025.

The spelling of 1061566326 in words is "one billion, sixty-one million, five hundred sixty-six thousand, three hundred twenty-six".