164383733 has 2 divisors, whose sum is σ = 164383734. Its totient is φ = 164383732.

The previous prime is 164383721. The next prime is 164383771. The reversal of 164383733 is 337383461.

It is an a-pointer prime, because the next prime (164383771) can be obtained adding 164383733 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150381169 + 14002564 = 12263^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 164383733 - 2¹² = 164379637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164383333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82191866 + 82191867.

It is an arithmetic number, because the mean of its divisors is an integer number (82191867).

Almost surely, 2^164383733 is an apocalyptic number.

It is an amenable number.

164383733 is a deficient number, since it is larger than the sum of its proper divisors (1).

164383733 is an equidigital number, since it uses as much as digits as its factorization.

164383733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 164383733 is about 12821.2219776432. The cubic root of 164383733 is about 547.7969537867.

The spelling of 164383733 in words is "one hundred sixty-four million, three hundred eighty-three thousand, seven hundred thirty-three".