223162055520 has 96 divisors (see below), whose sum is σ = 703999846368. Its totient is φ = 59421892608.

The previous prime is 223162055503. The next prime is 223162055551. The reversal of 223162055520 is 25550261322.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×223162055520³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18409 + ... + 668328.

It is an arithmetic number, because the mean of its divisors is an integer number (7333331733).

Almost surely, 2^223162055520 is an apocalyptic number.

223162055520 is a gapful number since it is divisible by the number (20) 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 223162055520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351999923184).

223162055520 is an abundant number, since it is smaller than the sum of its proper divisors (480837790848).

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

223162055520 is a wasteful number, since it uses less digits than its factorization.

223162055520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687432 (or 687424 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 223162055520 in words is "two hundred twenty-three billion, one hundred sixty-two million, fifty-five thousand, five hundred twenty".