258170061823 has 2 divisors, whose sum is σ = 258170061824. Its totient is φ = 258170061822.

The previous prime is 258170061817. The next prime is 258170061827. The reversal of 258170061823 is 328160071852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258170061823 - 2⁹ = 258170061311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258170061823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258170061827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129085030911 + 129085030912.

It is an arithmetic number, because the mean of its divisors is an integer number (129085030912).

Almost surely, 2^258170061823 is an apocalyptic number.

258170061823 is a deficient number, since it is larger than the sum of its proper divisors (1).

258170061823 is an equidigital number, since it uses as much as digits as its factorization.

258170061823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 258170061823 in words is "two hundred fifty-eight billion, one hundred seventy million, sixty-one thousand, eight hundred twenty-three".