151612216 has 32 divisors (see below), whose sum is σ = 325311840. Its totient is φ = 64891008.

The previous prime is 151612187. The next prime is 151612243. The reversal of 151612216 is 612216151.

It is a happy number.

151612216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59970 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (10165995).

Almost surely, 2^151612216 is an apocalyptic number.

It is an amenable number.

151612216 is an abundant number, since it is smaller than the sum of its proper divisors (173699624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151612216 is a wasteful number, since it uses less digits than its factorization.

151612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3579 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 151612216 is about 12313.0912446875. The cubic root of 151612216 is about 533.2260996212.

Adding to 151612216 its reverse (612216151), we get a palindrome (763828367).

The spelling of 151612216 in words is "one hundred fifty-one million, six hundred twelve thousand, two hundred sixteen".