151816 has 16 divisors (see below), whose sum is σ = 325440. Its totient is φ = 65040.

The previous prime is 151813. The next prime is 151817. The reversal of 151816 is 618151.

It is not an unprimeable number, because it can be changed into a prime (151813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (20340).

2¹⁵¹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

151816 is an abundant number, since it is smaller than the sum of its proper divisors (173624).

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

151816 is a wasteful number, since it uses less digits than its factorization.

151816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2720 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 151816 is about 389.6357273146. The cubic root of 151816 is about 53.3464898098.

Adding to 151816 its reverse (618151), we get a palindrome (769967).

The spelling of 151816 in words is "one hundred fifty-one thousand, eight hundred sixteen".