1996366061 has 6 divisors (see below), whose sum is σ = 2065455210. Its totient is φ = 1927293536.

The previous prime is 1996366019. The next prime is 1996366063. The reversal of 1996366061 is 1606636991.

It can be written as a sum of positive squares in 3 ways, for example, as 1589537161 + 406828900 = 39869^2 + 20170^2 .

It is not a de Polignac number, because 1996366061 - 2¹⁸ = 1996103917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1996365997 and 1996366015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996366063) 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 5 ways as a sum of consecutive naturals, for example, 236465 + ... + 244761.

It is an arithmetic number, because the mean of its divisors is an integer number (344242535).

Almost surely, 2^1996366061 is an apocalyptic number.

It is an amenable number.

1996366061 is a deficient number, since it is larger than the sum of its proper divisors (69089149).

1996366061 is an frugal number, since it uses more digits than its factorization.

1996366061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623 (or 8326 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 1996366061 is about 44680.7124047950. The cubic root of 1996366061 is about 1259.1575078904.

The spelling of 1996366061 in words is "one billion, nine hundred ninety-six million, three hundred sixty-six thousand, sixty-one".