8172162 has 12 divisors (see below), whose sum is σ = 17706390. Its totient is φ = 2724048.

The previous prime is 8172139. The next prime is 8172167. The reversal of 8172162 is 2612718.

It can be written as a sum of positive squares in only one way, i.e., 8003241 + 168921 = 2829^2 + 411^2 .

It is a super-4 number, since 4×8172162⁴ (a number of 29 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8172167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226987 + ... + 227022.

Almost surely, 2^8172162 is an apocalyptic number.

8172162 is an abundant number, since it is smaller than the sum of its proper divisors (9534228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8172162 is a wasteful number, since it uses less digits than its factorization.

8172162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454017 (or 454014 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 8172162 is about 2858.6993546017. The cubic root of 8172162 is about 201.4245130571.

The spelling of 8172162 in words is "eight million, one hundred seventy-two thousand, one hundred sixty-two".