162545443632 has 400 divisors, whose sum is σ = 553882382592. Its totient is φ = 45370160640.

The previous prime is 162545443607. The next prime is 162545443651. The reversal of 162545443632 is 236344545261.

162545443632 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 4 + 5 + 4 + 4 + 3 + 632 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 168092013 + ... + 168092979.

Almost surely, 2^162545443632 is an apocalyptic number.

162545443632 is a gapful number since it is divisible by the number (12) 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 162545443632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276941191296).

162545443632 is an abundant number, since it is smaller than the sum of its proper divisors (391336938960).

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

162545443632 is a wasteful number, since it uses less digits than its factorization.

162545443632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1903 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

Adding to 162545443632 its reverse (236344545261), we get a palindrome (398889988893).

The spelling of 162545443632 in words is "one hundred sixty-two billion, five hundred forty-five million, four hundred forty-three thousand, six hundred thirty-two".