151216818 has 16 divisors (see below), whose sum is σ = 302766336. Its totient is φ = 50350160.

The previous prime is 151216783. The next prime is 151216843. The reversal of 151216818 is 818612151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746 + ... + 19037.

It is an arithmetic number, because the mean of its divisors is an integer number (18922896).

Almost surely, 2^151216818 is an apocalyptic number.

151216818 is an abundant number, since it is smaller than the sum of its proper divisors (151549518).

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

151216818 is a wasteful number, since it uses less digits than its factorization.

151216818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729.

The product of its digits is 3840, while the sum is 33.

The square root of 151216818 is about 12297.0247621122. The cubic root of 151216818 is about 532.7621526539.

Adding to 151216818 its reverse (818612151), we get a palindrome (969828969).

The spelling of 151216818 in words is "one hundred fifty-one million, two hundred sixteen thousand, eight hundred eighteen".