164923373 has 2 divisors, whose sum is σ = 164923374. Its totient is φ = 164923372.

The previous prime is 164923357. The next prime is 164923403. The reversal of 164923373 is 373329461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163277284 + 1646089 = 12778^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 164923373 - 2⁴ = 164923357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164923303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82461686 + 82461687.

It is an arithmetic number, because the mean of its divisors is an integer number (82461687).

Almost surely, 2^164923373 is an apocalyptic number.

It is an amenable number.

164923373 is a deficient number, since it is larger than the sum of its proper divisors (1).

164923373 is an equidigital number, since it uses as much as digits as its factorization.

164923373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 164923373 is about 12842.2495303588. The cubic root of 164923373 is about 548.3957361828.

The spelling of 164923373 in words is "one hundred sixty-four million, nine hundred twenty-three thousand, three hundred seventy-three".