164587852841 has 2 divisors, whose sum is σ = 164587852842. Its totient is φ = 164587852840.

The previous prime is 164587852799. The next prime is 164587852843. The reversal of 164587852841 is 148258785461.

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., 88033263616 + 76554589225 = 296704^2 + 276685^2 .

It is a cyclic number.

It is not a de Polignac number, because 164587852841 - 2¹⁸ = 164587590697 is a prime.

It is a super-2 number, since 2×164587852841² (a number of 23 digits) contains 22 as substring.

Together with 164587852843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164587852843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82293926420 + 82293926421.

It is an arithmetic number, because the mean of its divisors is an integer number (82293926421).

Almost surely, 2^164587852841 is an apocalyptic number.

It is an amenable number.

164587852841 is a deficient number, since it is larger than the sum of its proper divisors (1).

164587852841 is an equidigital number, since it uses as much as digits as its factorization.

164587852841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17203200, while the sum is 59.

The spelling of 164587852841 in words is "one hundred sixty-four billion, five hundred eighty-seven million, eight hundred fifty-two thousand, eight hundred forty-one".