164742833 has 4 divisors (see below), whose sum is σ = 169195380. Its totient is φ = 160290288.

The previous prime is 164742821. The next prime is 164742841. The reversal of 164742833 is 338247461.

164742833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115068529 + 49674304 = 10727^2 + 7048^2 .

It is a cyclic number.

It is not a de Polignac number, because 164742833 - 2¹⁰ = 164741809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164742803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226218 + ... + 2226291.

It is an arithmetic number, because the mean of its divisors is an integer number (42298845).

Almost surely, 2^164742833 is an apocalyptic number.

It is an amenable number.

164742833 is a deficient number, since it is larger than the sum of its proper divisors (4452547).

164742833 is an equidigital number, since it uses as much as digits as its factorization.

164742833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452546.

The product of its digits is 96768, while the sum is 38.

The square root of 164742833 is about 12835.2184632752. The cubic root of 164742833 is about 548.1955553071.

It can be divided in two parts, 1647428 and 33, that added together give a palindrome (1647461).

The spelling of 164742833 in words is "one hundred sixty-four million, seven hundred forty-two thousand, eight hundred thirty-three".