162837980 has 48 divisors (see below), whose sum is σ = 362184480. Its totient is φ = 61325568.

The previous prime is 162837977. The next prime is 162837989. The reversal of 162837980 is 89738261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162837989) 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, 64502 + ... + 66978.

It is an arithmetic number, because the mean of its divisors is an integer number (7545510).

Almost surely, 2^162837980 is an apocalyptic number.

162837980 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 162837980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181092240).

162837980 is an abundant number, since it is smaller than the sum of its proper divisors (199346500).

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

162837980 is a wasteful number, since it uses less digits than its factorization.

162837980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 162837980 is about 12760.7985643533. The cubic root of 162837980 is about 546.0745066872.

The spelling of 162837980 in words is "one hundred sixty-two million, eight hundred thirty-seven thousand, nine hundred eighty".