162278934400 has 192 divisors, whose sum is σ = 444498402960. Its totient is φ = 58042368000.

The previous prime is 162278934383. The next prime is 162278934403. The reversal of 162278934400 is 4439872261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162278934403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109412 + ... + 2184988.

Almost surely, 2^162278934400 is an apocalyptic number.

162278934400 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 162278934400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222249201480).

162278934400 is an abundant number, since it is smaller than the sum of its proper divisors (282219468560).

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

162278934400 is a wasteful number, since it uses less digits than its factorization.

162278934400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75673 (or 75656 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 162278934400 in words is "one hundred sixty-two billion, two hundred seventy-eight million, nine hundred thirty-four thousand, four hundred".