1061644133 has 16 divisors (see below), whose sum is σ = 1223519040. Its totient is φ = 911030400.

The previous prime is 1061644123. The next prime is 1061644139. The reversal of 1061644133 is 3314461601.

It is a cyclic number.

It is not a de Polignac number, because 1061644133 - 2⁶ = 1061644069 is a prime.

It is a super-2 number, since 2×1061644133² = 2254176530266643378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1061644096 and 1061644105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061644139) 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 15 ways as a sum of consecutive naturals, for example, 49691 + ... + 67767.

It is an arithmetic number, because the mean of its divisors is an integer number (76469940).

Almost surely, 2^1061644133 is an apocalyptic number.

It is an amenable number.

1061644133 is a deficient number, since it is larger than the sum of its proper divisors (161874907).

1061644133 is a wasteful number, since it uses less digits than its factorization.

1061644133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18388.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1061644133 is about 32582.8809806622. The cubic root of 1061644133 is about 1020.1397133367.

The spelling of 1061644133 in words is "one billion, sixty-one million, six hundred forty-four thousand, one hundred thirty-three".