162872093 has 4 divisors (see below), whose sum is σ = 162903228. Its totient is φ = 162840960.

The previous prime is 162872081. The next prime is 162872111. The reversal of 162872093 is 390278261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390278261 = 89 ⋅4385149.

It can be written as a sum of positive squares in 2 ways, for example, as 2647129 + 160224964 = 1627^2 + 12658^2 .

It is a cyclic number.

It is not a de Polignac number, because 162872093 - 2¹⁰ = 162871069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162872023) 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, 5588 + ... + 18893.

It is an arithmetic number, because the mean of its divisors is an integer number (40725807).

Almost surely, 2^162872093 is an apocalyptic number.

It is an amenable number.

162872093 is a deficient number, since it is larger than the sum of its proper divisors (31135).

162872093 is an equidigital number, since it uses as much as digits as its factorization.

162872093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31134.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 162872093 is about 12762.1351270075. The cubic root of 162872093 is about 546.1126364875.

The spelling of 162872093 in words is "one hundred sixty-two million, eight hundred seventy-two thousand, ninety-three".