216243424004154 has 32 divisors (see below), whose sum is σ = 441692818477056. Its totient is φ = 70546841552880.

The previous prime is 216243424004143. The next prime is 216243424004177. The reversal of 216243424004154 is 451400424342612.

It is a super-2 number, since 2×216243424004154² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27154779 + ... + 34203345.

It is an arithmetic number, because the mean of its divisors is an integer number (13802900577408).

Almost surely, 2^{216243424004154} is an apocalyptic number.

216243424004154 is an abundant number, since it is smaller than the sum of its proper divisors (225449394472902).

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

216243424004154 is a wasteful number, since it uses less digits than its factorization.

216243424004154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157410.

The product of its (nonzero) digits is 737280, while the sum is 42.

Adding to 216243424004154 its reverse (451400424342612), we get a palindrome (667643848346766).

The spelling of 216243424004154 in words is "two hundred sixteen trillion, two hundred forty-three billion, four hundred twenty-four million, four thousand, one hundred fifty-four".