162616720 has 80 divisors (see below), whose sum is σ = 440328960. Its totient is φ = 54692352.

The previous prime is 162616711. The next prime is 162616799. The reversal of 162616720 is 27616261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 26941 + ... + 32419.

It is an arithmetic number, because the mean of its divisors is an integer number (5504112).

Almost surely, 2^162616720 is an apocalyptic number.

162616720 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 162616720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220164480).

162616720 is an abundant number, since it is smaller than the sum of its proper divisors (277712240).

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

162616720 is a wasteful number, since it uses less digits than its factorization.

162616720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552 (or 5546 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 162616720 is about 12752.1260972435. The cubic root of 162616720 is about 545.8270639815.

The spelling of 162616720 in words is "one hundred sixty-two million, six hundred sixteen thousand, seven hundred twenty".