162040500 has 120 divisors (see below), whose sum is σ = 528792264. Its totient is φ = 43200000.

The previous prime is 162040499. The next prime is 162040507. The reversal of 162040500 is 5040261.

It is a happy number.

162040500 is a `hidden beast` number, since 1 + 620 + 40 + 5 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37896336 + 124144164 = 6156^2 + 11142^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162040507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38500 + ... + 42500.

Almost surely, 2^162040500 is an apocalyptic number.

162040500 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 162040500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264396132).

162040500 is an abundant number, since it is smaller than the sum of its proper divisors (366751764).

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

162040500 is a wasteful number, since it uses less digits than its factorization.

162040500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 162040500 is about 12729.5129521911. The cubic root of 162040500 is about 545.1816020793.

Adding to 162040500 its reverse (5040261), we get a palindrome (167080761).

It can be divided in two parts, 1620 and 40500, that multiplied together give a 4-th power (65610000 = 90⁴).

The spelling of 162040500 in words is "one hundred sixty-two million, forty thousand, five hundred".