2405108161 has 2 divisors, whose sum is σ = 2405108162. Its totient is φ = 2405108160.

The previous prime is 2405108149. The next prime is 2405108191. The reversal of 2405108161 is 1618015042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252098225 + 1153009936 = 35385^2 + 33956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2405108161 is a prime.

It is a super-2 number, since 2×2405108161² = 11569090532217603842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2405108131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202554080 + 1202554081.

It is an arithmetic number, because the mean of its divisors is an integer number (1202554081).

Almost surely, 2^2405108161 is an apocalyptic number.

It is an amenable number.

2405108161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405108161 is an equidigital number, since it uses as much as digits as its factorization.

2405108161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 2405108161 is about 49041.9020940257. The cubic root of 2405108161 is about 1339.8151079643.

The spelling of 2405108161 in words is "two billion, four hundred five million, one hundred eight thousand, one hundred sixty-one".