162736140 has 96 divisors (see below), whose sum is σ = 548190720. Its totient is φ = 35237376.

The previous prime is 162736127. The next prime is 162736141. The reversal of 162736140 is 41637261.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 162736098 and 162736107.

It is not an unprimeable number, because it can be changed into a prime (162736141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2217 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (5710320).

Almost surely, 2^162736140 is an apocalyptic number.

162736140 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 162736140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274095360).

162736140 is an abundant number, since it is smaller than the sum of its proper divisors (385454580).

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

162736140 is a wasteful number, since it uses less digits than its factorization.

162736140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431 (or 20429 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 162736140 is about 12756.8075943788. The cubic root of 162736140 is about 545.9606433546.

The spelling of 162736140 in words is "one hundred sixty-two million, seven hundred thirty-six thousand, one hundred forty".