162842471 has 4 divisors (see below), whose sum is σ = 177646344. Its totient is φ = 148038600.

The previous prime is 162842443. The next prime is 162842497. The reversal of 162842471 is 174248261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174248261 = 11 ⋅15840751.

It is a cyclic number.

It is not a de Polignac number, because 162842471 - 2²⁶ = 95733607 is a prime.

It is a super-3 number, since 3×162842471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162844471) 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, 7401920 + ... + 7401941.

It is an arithmetic number, because the mean of its divisors is an integer number (44411586).

Almost surely, 2^162842471 is an apocalyptic number.

162842471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162842471 is a deficient number, since it is larger than the sum of its proper divisors (14803873).

162842471 is a wasteful number, since it uses less digits than its factorization.

162842471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803872.

The product of its digits is 21504, while the sum is 35.

The square root of 162842471 is about 12760.9745317511. The cubic root of 162842471 is about 546.0795268061.

The spelling of 162842471 in words is "one hundred sixty-two million, eight hundred forty-two thousand, four hundred seventy-one".