243236164056 has 16 divisors (see below), whose sum is σ = 608090410200. Its totient is φ = 81078721344.

The previous prime is 243236164043. The next prime is 243236164123. The reversal of 243236164056 is 650461632342.

It is a happy number.

It is a super-2 number, since 2×243236164056² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 243236163999 and 243236164017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067420061 + ... + 5067420108.

Almost surely, 2^243236164056 is an apocalyptic number.

It is an amenable number.

243236164056 is an abundant number, since it is smaller than the sum of its proper divisors (364854246144).

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

243236164056 is a wasteful number, since it uses less digits than its factorization.

243236164056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134840178 (or 10134840174 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 243236164056 its reverse (650461632342), we get a palindrome (893697796398).

The spelling of 243236164056 in words is "two hundred forty-three billion, two hundred thirty-six million, one hundred sixty-four thousand, fifty-six".