162252432378 has 24 divisors (see below), whose sum is σ = 351564509088. Its totient is φ = 54081440712.

The previous prime is 162252432371. The next prime is 162252432403. The reversal of 162252432378 is 873234252261.

162252432378 is a `hidden beast` number, since 1 + 6 + 2 + 252 + 4 + 323 + 78 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162252432371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162901 + ... + 592487.

It is an arithmetic number, because the mean of its divisors is an integer number (14648521212).

Almost surely, 2^162252432378 is an apocalyptic number.

162252432378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162252432378 is an abundant number, since it is smaller than the sum of its proper divisors (189312076710).

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

162252432378 is a wasteful number, since it uses less digits than its factorization.

162252432378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450578 (or 450575 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 162252432378 in words is "one hundred sixty-two billion, two hundred fifty-two million, four hundred thirty-two thousand, three hundred seventy-eight".