10261166417 has 2 divisors, whose sum is σ = 10261166418. Its totient is φ = 10261166416.

The previous prime is 10261166371. The next prime is 10261166491. The reversal of 10261166417 is 71466116201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9086664976 + 1174501441 = 95324^2 + 34271^2 .

It is a cyclic number.

It is not a de Polignac number, because 10261166417 - 2¹⁴ = 10261150033 is a prime.

It is not a weakly prime, because it can be changed into another prime (10261466417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130583208 + 5130583209.

It is an arithmetic number, because the mean of its divisors is an integer number (5130583209).

Almost surely, 2^10261166417 is an apocalyptic number.

It is an amenable number.

10261166417 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261166417 is an equidigital number, since it uses as much as digits as its factorization.

10261166417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 10261166417 in words is "ten billion, two hundred sixty-one million, one hundred sixty-six thousand, four hundred seventeen".