216336057 has 8 divisors (see below), whose sum is σ = 329654976. Its totient is φ = 123620592.

The previous prime is 216336013. The next prime is 216336059. The reversal of 216336057 is 750633612.

216336057 is digitally balanced in base 2, because in such base 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 216336057 - 2⁶ = 216335993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216336059) 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, 5150838 + ... + 5150879.

It is an arithmetic number, because the mean of its divisors is an integer number (41206872).

Almost surely, 2^216336057 is an apocalyptic number.

It is an amenable number.

216336057 is a deficient number, since it is larger than the sum of its proper divisors (113318919).

216336057 is a wasteful number, since it uses less digits than its factorization.

216336057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301727.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 216336057 is about 14708.3669045887. The cubic root of 216336057 is about 600.3110026566.

Adding to 216336057 its reverse (750633612), we get a palindrome (966969669).

It can be divided in two parts, 21633605 and 7, that added together give a palindrome (21633612).

The spelling of 216336057 in words is "two hundred sixteen million, three hundred thirty-six thousand, fifty-seven".