243436154216 has 32 divisors (see below), whose sum is σ = 478449417600. Its totient is φ = 115987724160.

The previous prime is 243436154201. The next prime is 243436154231. The reversal of 243436154216 is 612451634342.

It is an interprime number because it is at equal distance from previous prime (243436154201) and next prime (243436154231).

It is a super-2 number, since 2×243436154216² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8615936 + ... + 8644143.

It is an arithmetic number, because the mean of its divisors is an integer number (14951544300).

Almost surely, 2^243436154216 is an apocalyptic number.

It is an amenable number.

243436154216 is a deficient number, since it is larger than the sum of its proper divisors (235013263384).

243436154216 is a wasteful number, since it uses less digits than its factorization.

243436154216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260169 (or 17260165 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

Adding to 243436154216 its reverse (612451634342), we get a palindrome (855887788558).

The spelling of 243436154216 in words is "two hundred forty-three billion, four hundred thirty-six million, one hundred fifty-four thousand, two hundred sixteen".