162840944 has 80 divisors (see below), whose sum is σ = 386284800. Its totient is φ = 64945152.

The previous prime is 162840941. The next prime is 162841009. The reversal of 162840944 is 449048261.

It is a super-2 number, since 2×162840944² = 53034346085622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 162840898 and 162840907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162840941) 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, 124904 + ... + 126200.

It is an arithmetic number, because the mean of its divisors is an integer number (4828560).

Almost surely, 2^162840944 is an apocalyptic number.

162840944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162840944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193142400).

162840944 is an abundant number, since it is smaller than the sum of its proper divisors (223443856).

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

162840944 is a wasteful number, since it uses less digits than its factorization.

162840944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 162840944 is about 12760.9147007572. The cubic root of 162840944 is about 546.0778199089.

The spelling of 162840944 in words is "one hundred sixty-two million, eight hundred forty thousand, nine hundred forty-four".