162099942400 has 396 divisors, whose sum is σ = 453692167200. Its totient is φ = 56948736000.

The previous prime is 162099942383. The next prime is 162099942467. The reversal of 162099942400 is 4249990261.

It is a happy number.

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 35 ways as a sum of consecutive naturals, for example, 270617301 + ... + 270617899.

Almost surely, 2^162099942400 is an apocalyptic number.

162099942400 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 162099942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226846083600).

162099942400 is an abundant number, since it is smaller than the sum of its proper divisors (291592224800).

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

162099942400 is a wasteful number, since it uses less digits than its factorization.

162099942400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 162099942400 in words is "one hundred sixty-two billion, ninety-nine million, nine hundred forty-two thousand, four hundred".