3291540365161 has 16 divisors (see below), whose sum is σ = 3403017248400. Its totient is φ = 3181553510400.

The previous prime is 3291540365149. The next prime is 3291540365189. The reversal of 3291540365161 is 1615630451923.

It can be written as a sum of positive squares in 8 ways, for example, as 279649534761 + 3011890830400 = 528819^2 + 1735480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3291540365161 - 2⁷ = 3291540365033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3291540365101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90885825 + ... + 90922033.

It is an arithmetic number, because the mean of its divisors is an integer number (212688578025).

Almost surely, 2^{3291540365161} is an apocalyptic number.

It is an amenable number.

3291540365161 is a deficient number, since it is larger than the sum of its proper divisors (111476883239).

3291540365161 is a wasteful number, since it uses less digits than its factorization.

3291540365161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56700.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 3291540365161 in words is "three trillion, two hundred ninety-one billion, five hundred forty million, three hundred sixty-five thousand, one hundred sixty-one".