216203151 has 16 divisors (see below), whose sum is σ = 304932096. Its totient is φ = 135976896.

The previous prime is 216203123. The next prime is 216203177. The reversal of 216203151 is 151302612.

It is not a de Polignac number, because 216203151 - 2⁶ = 216203087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216203191) by changing a digit.

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, 16425 + ... + 26498.

It is an arithmetic number, because the mean of its divisors is an integer number (19058256).

Almost surely, 2^216203151 is an apocalyptic number.

216203151 is a deficient number, since it is larger than the sum of its proper divisors (88728945).

216203151 is a wasteful number, since it uses less digits than its factorization.

216203151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43022.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 216203151 is about 14703.8481697819. The cubic root of 216203151 is about 600.1880438375.

Adding to 216203151 its reverse (151302612), we get a palindrome (367505763).

The spelling of 216203151 in words is "two hundred sixteen million, two hundred three thousand, one hundred fifty-one".