216528224227401 has 8 divisors (see below), whose sum is σ = 288813367472704. Its totient is φ = 144297615233520.

The previous prime is 216528224227267. The next prime is 216528224227477. The reversal of 216528224227401 is 104722422825612.

216528224227401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216528224227401 - 2³⁵ = 216493864489033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216528224226401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13633553590 + ... + 13633569471.

It is an arithmetic number, because the mean of its divisors is an integer number (36101670934088).

Almost surely, 2^{216528224227401} is an apocalyptic number.

It is an amenable number.

216528224227401 is a deficient number, since it is larger than the sum of its proper divisors (72285143245303).

216528224227401 is a wasteful number, since it uses less digits than its factorization.

216528224227401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27267125711.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 216528224227401 in words is "two hundred sixteen trillion, five hundred twenty-eight billion, two hundred twenty-four million, two hundred twenty-seven thousand, four hundred one".