162231553000 has 128 divisors (see below), whose sum is σ = 418236099840. Its totient is φ = 58408800000.

The previous prime is 162231552997. The next prime is 162231553013. The reversal of 162231553000 is 355132261.

It is a self number, because there is not a number n which added to its sum of digits gives 162231553000.

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 31 ways as a sum of consecutive naturals, for example, 1037989 + ... + 1184011.

It is an arithmetic number, because the mean of its divisors is an integer number (3267469530).

Almost surely, 2^162231553000 is an apocalyptic number.

162231553000 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 162231553000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209118049920).

162231553000 is an abundant number, since it is smaller than the sum of its proper divisors (256004546840).

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

162231553000 is a wasteful number, since it uses less digits than its factorization.

162231553000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146156 (or 146142 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 162231553000 its reverse (355132261), we get a palindrome (162586685261).

The spelling of 162231553000 in words is "one hundred sixty-two billion, two hundred thirty-one million, five hundred fifty-three thousand".