164750247919 has 2 divisors, whose sum is σ = 164750247920. Its totient is φ = 164750247918.

The previous prime is 164750247877. The next prime is 164750247941. The reversal of 164750247919 is 919742057461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164750247919 - 2⁷ = 164750247791 is a prime.

It is a super-2 number, since 2×164750247919² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164750247919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164750247719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82375123959 + 82375123960.

It is an arithmetic number, because the mean of its divisors is an integer number (82375123960).

Almost surely, 2^164750247919 is an apocalyptic number.

164750247919 is a deficient number, since it is larger than the sum of its proper divisors (1).

164750247919 is an equidigital number, since it uses as much as digits as its factorization.

164750247919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 164750247919 in words is "one hundred sixty-four billion, seven hundred fifty million, two hundred forty-seven thousand, nine hundred nineteen".