162743227 has 16 divisors (see below), whose sum is σ = 185824800. Its totient is φ = 141557760.

The previous prime is 162743221. The next prime is 162743249. The reversal of 162743227 is 722347261.

It is a cyclic number.

It is not a de Polignac number, because 162743227 - 2¹¹ = 162741179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162743192 and 162743201.

It is not an unprimeable number, because it can be changed into a prime (162743221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7099 + ... + 19387.

It is an arithmetic number, because the mean of its divisors is an integer number (11614050).

Almost surely, 2^162743227 is an apocalyptic number.

162743227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

162743227 is a deficient number, since it is larger than the sum of its proper divisors (23081573).

162743227 is a wasteful number, since it uses less digits than its factorization.

162743227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12366.

The product of its digits is 28224, while the sum is 34.

The square root of 162743227 is about 12757.0853646121. The cubic root of 162743227 is about 545.9685685905.

The spelling of 162743227 in words is "one hundred sixty-two million, seven hundred forty-three thousand, two hundred twenty-seven".