161048704013 has 4 divisors (see below), whose sum is σ = 161102372028. Its totient is φ = 160995036000.

The previous prime is 161048704007. The next prime is 161048704051. The reversal of 161048704013 is 310407840161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310407840161 = 183349 ⋅1692989.

It can be written as a sum of positive squares in 2 ways, for example, as 118289908489 + 42758795524 = 343933^2 + 206782^2 .

It is a cyclic number.

It is not a de Polignac number, because 161048704013 - 2¹⁴ = 161048687629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161048704513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26829506 + ... + 26835507.

It is an arithmetic number, because the mean of its divisors is an integer number (40275593007).

Almost surely, 2^161048704013 is an apocalyptic number.

It is an amenable number.

161048704013 is a deficient number, since it is larger than the sum of its proper divisors (53668015).

161048704013 is an equidigital number, since it uses as much as digits as its factorization.

161048704013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53668014.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 161048704013 in words is "one hundred sixty-one billion, forty-eight million, seven hundred four thousand, thirteen".