164975530373 has 2 divisors, whose sum is σ = 164975530374. Its totient is φ = 164975530372.

The previous prime is 164975530367. The next prime is 164975530399. The reversal of 164975530373 is 373035579461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126395892484 + 38579637889 = 355522^2 + 196417^2 .

It is an emirp because it is prime and its reverse (373035579461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164975530373 - 2³⁶ = 96256053637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164975530333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82487765186 + 82487765187.

It is an arithmetic number, because the mean of its divisors is an integer number (82487765187).

Almost surely, 2^164975530373 is an apocalyptic number.

It is an amenable number.

164975530373 is a deficient number, since it is larger than the sum of its proper divisors (1).

164975530373 is an equidigital number, since it uses as much as digits as its factorization.

164975530373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7144200, while the sum is 53.

The spelling of 164975530373 in words is "one hundred sixty-four billion, nine hundred seventy-five million, five hundred thirty thousand, three hundred seventy-three".