164670015190019 has 2 divisors, whose sum is σ = 164670015190020. Its totient is φ = 164670015190018.

The previous prime is 164670015189871. The next prime is 164670015190061. The reversal of 164670015190019 is 910091510076461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164670015190019 - 2⁸ = 164670015189763 is a prime.

It is a super-2 number, since 2×164670015190019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164670015190069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82335007595009 + 82335007595010.

It is an arithmetic number, because the mean of its divisors is an integer number (82335007595010).

Almost surely, 2^{164670015190019} is an apocalyptic number.

164670015190019 is a deficient number, since it is larger than the sum of its proper divisors (1).

164670015190019 is an equidigital number, since it uses as much as digits as its factorization.

164670015190019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 164670015190019 in words is "one hundred sixty-four trillion, six hundred seventy billion, fifteen million, one hundred ninety thousand, nineteen".