162249853 has 4 divisors (see below), whose sum is σ = 171793980. Its totient is φ = 152705728.

The previous prime is 162249851. The next prime is 162249859. The reversal of 162249853 is 358942261.

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 93741124 + 68508729 = 9682^2 + 8277^2 .

It is a cyclic number.

It is not a de Polignac number, because 162249853 - 2¹ = 162249851 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162249851) 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, 4772038 + ... + 4772071.

It is an arithmetic number, because the mean of its divisors is an integer number (42948495).

Almost surely, 2^162249853 is an apocalyptic number.

It is an amenable number.

162249853 is a deficient number, since it is larger than the sum of its proper divisors (9544127).

162249853 is an equidigital number, since it uses as much as digits as its factorization.

162249853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544126.

The product of its digits is 103680, while the sum is 40.

The square root of 162249853 is about 12737.7334326010. The cubic root of 162249853 is about 545.4162888514.

The spelling of 162249853 in words is "one hundred sixty-two million, two hundred forty-nine thousand, eight hundred fifty-three".