1361322060161 has 32 divisors (see below), whose sum is σ = 1570630903296. Its totient is φ = 1155783168000.

The previous prime is 1361322060149. The next prime is 1361322060173. The reversal of 1361322060161 is 1610602231631.

It is an interprime number because it is at equal distance from previous prime (1361322060149) and next prime (1361322060173).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361322060161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1361322060121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731499371 + ... + 731501231.

It is an arithmetic number, because the mean of its divisors is an integer number (49082215728).

Almost surely, 2^{1361322060161} is an apocalyptic number.

It is an amenable number.

1361322060161 is a deficient number, since it is larger than the sum of its proper divisors (209308843135).

1361322060161 is a wasteful number, since it uses less digits than its factorization.

1361322060161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 1361322060161 its reverse (1610602231631), we get a palindrome (2971924291792).

The spelling of 1361322060161 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, sixty thousand, one hundred sixty-one".