2415166261 has 2 divisors, whose sum is σ = 2415166262. Its totient is φ = 2415166260.

The previous prime is 2415166253. The next prime is 2415166291. The reversal of 2415166261 is 1626615142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1442100625 + 973065636 = 37975^2 + 31194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2415166261 - 2³ = 2415166253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2415166291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207583130 + 1207583131.

It is an arithmetic number, because the mean of its divisors is an integer number (1207583131).

Almost surely, 2^2415166261 is an apocalyptic number.

It is an amenable number.

2415166261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415166261 is an equidigital number, since it uses as much as digits as its factorization.

2415166261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 2415166261 is about 49144.3410882677. The cubic root of 2415166261 is about 1341.6802011383.

The spelling of 2415166261 in words is "two billion, four hundred fifteen million, one hundred sixty-six thousand, two hundred sixty-one".