216127354 has 8 divisors (see below), whose sum is σ = 325536948. Its totient is φ = 107615040.

The previous prime is 216127339. The next prime is 216127367. The reversal of 216127354 is 453721612.

216127354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213832129 + 2295225 = 14623^2 + 1515^2 .

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

It is a super-2 number, since 2×216127354² = 93422066294082632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223717 + ... + 224680.

Almost surely, 2^216127354 is an apocalyptic number.

216127354 is a deficient number, since it is larger than the sum of its proper divisors (109409594).

216127354 is a wasteful number, since it uses less digits than its factorization.

216127354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448640.

The product of its digits is 10080, while the sum is 31.

The square root of 216127354 is about 14701.2704893149. The cubic root of 216127354 is about 600.1178972026.

Adding to 216127354 its reverse (453721612), we get a palindrome (669848966).

The spelling of 216127354 in words is "two hundred sixteen million, one hundred twenty-seven thousand, three hundred fifty-four".