216772151 has 8 divisors (see below), whose sum is σ = 229806720. Its totient is φ = 203769088.

The previous prime is 216772147. The next prime is 216772163. The reversal of 216772151 is 151277612.

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

It is a cyclic number.

It is not a de Polignac number, because 216772151 - 2² = 216772147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216772141) 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, 7130 + ... + 22008.

It is an arithmetic number, because the mean of its divisors is an integer number (28725840).

Almost surely, 2^216772151 is an apocalyptic number.

216772151 is a deficient number, since it is larger than the sum of its proper divisors (13034569).

216772151 is a wasteful number, since it uses less digits than its factorization.

216772151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753.

The product of its digits is 5880, while the sum is 32.

The square root of 216772151 is about 14723.1841325170. The cubic root of 216772151 is about 600.7141043840.

The spelling of 216772151 in words is "two hundred sixteen million, seven hundred seventy-two thousand, one hundred fifty-one".