1330373515161 has 4 divisors (see below), whose sum is σ = 1773831353552. Its totient is φ = 886915676772.

The previous prime is 1330373515123. The next prime is 1330373515169. The reversal of 1330373515161 is 1615153730331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1330373515161 - 2¹⁰ = 1330373514137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330373515169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221728919191 + ... + 221728919196.

It is an arithmetic number, because the mean of its divisors is an integer number (443457838388).

Almost surely, 2^{1330373515161} is an apocalyptic number.

It is an amenable number.

1330373515161 is a deficient number, since it is larger than the sum of its proper divisors (443457838391).

1330373515161 is an equidigital number, since it uses as much as digits as its factorization.

1330373515161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443457838390.

The product of its (nonzero) digits is 85050, while the sum is 39.

The spelling of 1330373515161 in words is "one trillion, three hundred thirty billion, three hundred seventy-three million, five hundred fifteen thousand, one hundred sixty-one".