10164260581 has 2 divisors, whose sum is σ = 10164260582. Its totient is φ = 10164260580.

The previous prime is 10164260569. The next prime is 10164260591. The reversal of 10164260581 is 18506246101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9175724100 + 988536481 = 95790^2 + 31441^2 .

It is a cyclic number.

It is not a de Polignac number, because 10164260581 - 2⁷ = 10164260453 is a prime.

It is a super-2 number, since 2×10164260581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10164260531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5082130290 + 5082130291.

It is an arithmetic number, because the mean of its divisors is an integer number (5082130291).

Almost surely, 2^10164260581 is an apocalyptic number.

It is an amenable number.

10164260581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10164260581 is an equidigital number, since it uses as much as digits as its factorization.

10164260581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 10164260581 in words is "ten billion, one hundred sixty-four million, two hundred sixty thousand, five hundred eighty-one".