162718165440 has 196 divisors, whose sum is σ = 580944023784. Its totient is φ = 43391448576.

The previous prime is 162718165433. The next prime is 162718165451. The reversal of 162718165440 is 44561817261.

162718165440 is a `hidden beast` number, since 1 + 6 + 2 + 71 + 81 + 65 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 115482 + ... + 582041.

Almost surely, 2^162718165440 is an apocalyptic number.

162718165440 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 162718165440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290472011892).

162718165440 is an abundant number, since it is smaller than the sum of its proper divisors (418225858344).

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

162718165440 is an frugal number, since it uses more digits than its factorization.

162718165440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697558 (or 697533 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 162718165440 in words is "one hundred sixty-two billion, seven hundred eighteen million, one hundred sixty-five thousand, four hundred forty".