164253813 has 8 divisors (see below), whose sum is σ = 231887808. Its totient is φ = 103061184.

The previous prime is 164253811. The next prime is 164253827. The reversal of 164253813 is 318352461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164253813 - 2¹ = 164253811 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164253811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610281 + ... + 1610382.

It is an arithmetic number, because the mean of its divisors is an integer number (28985976).

Almost surely, 2^164253813 is an apocalyptic number.

It is an amenable number.

164253813 is a deficient number, since it is larger than the sum of its proper divisors (67633995).

164253813 is a wasteful number, since it uses less digits than its factorization.

164253813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220683.

The product of its digits is 17280, while the sum is 33.

The square root of 164253813 is about 12816.1543764110. The cubic root of 164253813 is about 547.6525994017.

It can be divided in two parts, 1642 and 53813, that added together give a palindrome (55455).

The spelling of 164253813 in words is "one hundred sixty-four million, two hundred fifty-three thousand, eight hundred thirteen".