1061332644 has 48 divisors (see below), whose sum is σ = 2648128896. Its totient is φ = 329664000.

The previous prime is 1061332639. The next prime is 1061332681. The reversal of 1061332644 is 4462331601.

1061332644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061332644² = 2252853962440061472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152 + ... + 46359.

It is an arithmetic number, because the mean of its divisors is an integer number (55169352).

Almost surely, 2^1061332644 is an apocalyptic number.

It is an amenable number.

1061332644 is an abundant number, since it is smaller than the sum of its proper divisors (1586796252).

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

1061332644 is a wasteful number, since it uses less digits than its factorization.

1061332644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51636 (or 51634 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1061332644 is about 32578.1006812859. The cubic root of 1061332644 is about 1020.0399330771.

The spelling of 1061332644 in words is "one billion, sixty-one million, three hundred thirty-two thousand, six hundred forty-four".