223135036164 has 18 divisors (see below), whose sum is σ = 564035785950. Its totient is φ = 74378345376.

The previous prime is 223135036133. The next prime is 223135036169. The reversal of 223135036164 is 461630531322.

223135036164 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 35 + 0 + 3 + 616 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188349056064 + 34785980100 = 433992^2 + 186510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×223135036164³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6198195449 = 223135036164 / (2 + 2 + 3 + 1 + 3 + 5 + 0 + 3 + 6 + 1 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (223135036169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3099097689 + ... + 3099097760.

Almost surely, 2^223135036164 is an apocalyptic number.

It is an amenable number.

223135036164 is an abundant number, since it is smaller than the sum of its proper divisors (340900749786).

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

223135036164 is a wasteful number, since it uses less digits than its factorization.

223135036164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198195459 (or 6198195454 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 223135036164 its reverse (461630531322), we get a palindrome (684765567486).

The spelling of 223135036164 in words is "two hundred twenty-three billion, one hundred thirty-five million, thirty-six thousand, one hundred sixty-four".