162500401000 has 128 divisors (see below), whose sum is σ = 441697800960. Its totient is φ = 54800928000.

The previous prime is 162500400991. The next prime is 162500401001. The reversal of 162500401000 is 104005261.

It is not an unprimeable number, because it can be changed into a prime (162500401001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236719 + ... + 617281.

It is an arithmetic number, because the mean of its divisors is an integer number (3450764070).

Almost surely, 2^162500401000 is an apocalyptic number.

162500401000 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 162500401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220848900480).

162500401000 is an abundant number, since it is smaller than the sum of its proper divisors (279197399960).

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

162500401000 is a wasteful number, since it uses less digits than its factorization.

162500401000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380652 (or 380638 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 162500401000 its reverse (104005261), we get a palindrome (162604406261).

The spelling of 162500401000 in words is "one hundred sixty-two billion, five hundred million, four hundred one thousand".