162907980 has 48 divisors (see below), whose sum is σ = 459755520. Its totient is φ = 43098048.

The previous prime is 162907973. The next prime is 162908017. The reversal of 162907980 is 89709261.

162907980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3070 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (9578240).

Almost surely, 2^162907980 is an apocalyptic number.

162907980 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 162907980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229877760).

162907980 is an abundant number, since it is smaller than the sum of its proper divisors (296847540).

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

162907980 is a wasteful number, since it uses less digits than its factorization.

162907980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518 (or 21516 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 162907980 is about 12763.5410447101. The cubic root of 162907980 is about 546.1527434298.

The spelling of 162907980 in words is "one hundred sixty-two million, nine hundred seven thousand, nine hundred eighty".