162655680 has 224 divisors, whose sum is σ = 573804288. Its totient is φ = 38707200.

The previous prime is 162655621. The next prime is 162655687. The reversal of 162655680 is 86556261.

162655680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162655687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770775 + ... + 770985.

Almost surely, 2^162655680 is an apocalyptic number.

162655680 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 162655680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286902144).

162655680 is an abundant number, since it is smaller than the sum of its proper divisors (411148608).

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

162655680 is a wasteful number, since it uses less digits than its factorization.

162655680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 162655680 is about 12753.6535941667. The cubic root of 162655680 is about 545.8706505704.

It can be divided in two parts, 16265 and 5680, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 162655680 in words is "one hundred sixty-two million, six hundred fifty-five thousand, six hundred eighty".