1623141101161 has 2 divisors, whose sum is σ = 1623141101162. Its totient is φ = 1623141101160.

The previous prime is 1623141101159. The next prime is 1623141101237. The reversal of 1623141101161 is 1611011413261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456713819136 + 166427282025 = 1206944^2 + 407955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623141101161 - 2¹ = 1623141101159 is a prime.

Together with 1623141101159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1623141102161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811570550580 + 811570550581.

It is an arithmetic number, because the mean of its divisors is an integer number (811570550581).

Almost surely, 2^{1623141101161} is an apocalyptic number.

It is an amenable number.

1623141101161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623141101161 is an equidigital number, since it uses as much as digits as its factorization.

1623141101161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 1623141101161 in words is "one trillion, six hundred twenty-three billion, one hundred forty-one million, one hundred one thousand, one hundred sixty-one".