1306235446161 has 8 divisors (see below), whose sum is σ = 1741683932160. Its totient is φ = 870805295472.

The previous prime is 1306235446141. The next prime is 1306235446169. The reversal of 1306235446161 is 1616445326031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306235446161 - 2¹¹ = 1306235444113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1306235446169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416726 + ... + 4703183.

It is an arithmetic number, because the mean of its divisors is an integer number (217710491520).

Almost surely, 2^{1306235446161} is an apocalyptic number.

It is an amenable number.

1306235446161 is a deficient number, since it is larger than the sum of its proper divisors (435448485999).

1306235446161 is an equidigital number, since it uses as much as digits as its factorization.

1306235446161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167655.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1306235446161 in words is "one trillion, three hundred six billion, two hundred thirty-five million, four hundred forty-six thousand, one hundred sixty-one".