10166774117 has 2 divisors, whose sum is σ = 10166774118. Its totient is φ = 10166774116.

The previous prime is 10166774069. The next prime is 10166774119. The reversal of 10166774117 is 71147766101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6184406881 + 3982367236 = 78641^2 + 63106^2 .

It is a cyclic number.

It is not a de Polignac number, because 10166774117 - 2²² = 10162579813 is a prime.

It is a super-2 number, since 2×10166774117² (a number of 21 digits) contains 22 as substring.

Together with 10166774119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10166774119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083387058 + 5083387059.

It is an arithmetic number, because the mean of its divisors is an integer number (5083387059).

Almost surely, 2^10166774117 is an apocalyptic number.

It is an amenable number.

10166774117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10166774117 is an equidigital number, since it uses as much as digits as its factorization.

10166774117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 10166774117 in words is "ten billion, one hundred sixty-six million, seven hundred seventy-four thousand, one hundred seventeen".