223164002256500 has 96 divisors (see below), whose sum is σ = 495393677775360. Its totient is φ = 87799838736000.

The previous prime is 223164002256457. The next prime is 223164002256527. The reversal of 223164002256500 is 5652200461322.

It is a super-3 number, since 3×223164002256500³ (a number of 44 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 31 ways as a sum of consecutive naturals, for example, 1479998111 + ... + 1480148889.

It is an arithmetic number, because the mean of its divisors is an integer number (5160350810160).

Almost surely, 2^{223164002256500} is an apocalyptic number.

223164002256500 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 223164002256500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247696838887680).

223164002256500 is an abundant number, since it is smaller than the sum of its proper divisors (272229675518860).

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

223164002256500 is a wasteful number, since it uses less digits than its factorization.

223164002256500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199386 (or 199374 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 223164002256500 in words is "two hundred twenty-three trillion, one hundred sixty-four billion, two million, two hundred fifty-six thousand, five hundred".