162268740 has 144 divisors (see below), whose sum is σ = 548795520. Its totient is φ = 38568960.

The previous prime is 162268699. The next prime is 162268741. The reversal of 162268740 is 47862261.

It is a super-2 number, since 2×162268740² = 52662287962375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 162268695 and 162268704.

It is not an unprimeable number, because it can be changed into a prime (162268741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56745 + ... + 59535.

It is an arithmetic number, because the mean of its divisors is an integer number (3811080).

Almost surely, 2^162268740 is an apocalyptic number.

162268740 is a gapful number since it is divisible by the number (10) 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 162268740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274397760).

162268740 is an abundant number, since it is smaller than the sum of its proper divisors (386526780).

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

162268740 is a wasteful number, since it uses less digits than its factorization.

162268740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 162268740 is about 12738.4747909630. The cubic root of 162268740 is about 545.4374514340.

The spelling of 162268740 in words is "one hundred sixty-two million, two hundred sixty-eight thousand, seven hundred forty".