162747685240 has 128 divisors (see below), whose sum is σ = 428178309120. Its totient is φ = 54520128000.

The previous prime is 162747685213. The next prime is 162747685283. The reversal of 162747685240 is 42586747261.

It is a super-2 number, since 2×162747685240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547529 + ... + 2610631.

It is an arithmetic number, because the mean of its divisors is an integer number (3345143040).

Almost surely, 2^162747685240 is an apocalyptic number.

162747685240 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 162747685240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214089154560).

162747685240 is an abundant number, since it is smaller than the sum of its proper divisors (265430623880).

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

162747685240 is a wasteful number, since it uses less digits than its factorization.

162747685240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63333 (or 63329 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 162747685240 in words is "one hundred sixty-two billion, seven hundred forty-seven million, six hundred eighty-five thousand, two hundred forty".