162233556540 has 96 divisors (see below), whose sum is σ = 495945918720. Its totient is φ = 39297907200.

The previous prime is 162233556509. The next prime is 162233556547. The reversal of 162233556540 is 45655332261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 162233556492 and 162233556501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162233556547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733320 + ... + 928560.

It is an arithmetic number, because the mean of its divisors is an integer number (5166103320).

Almost surely, 2^162233556540 is an apocalyptic number.

162233556540 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 162233556540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247972959360).

162233556540 is an abundant number, since it is smaller than the sum of its proper divisors (333712362180).

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

162233556540 is a wasteful number, since it uses less digits than its factorization.

162233556540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196523 (or 196521 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 162233556540 in words is "one hundred sixty-two billion, two hundred thirty-three million, five hundred fifty-six thousand, five hundred forty".