151216 has 20 divisors (see below), whose sum is σ = 315952. Its totient is φ = 69696.

The previous prime is 151213. The next prime is 151237. The reversal of 151216 is 612151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 151216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156 + ... + 571.

2¹⁵¹²¹⁶ is an apocalyptic number.

151216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151216 is an abundant number, since it is smaller than the sum of its proper divisors (164736).

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

151216 is a wasteful number, since it uses less digits than its factorization.

151216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 151216 is about 388.8650151402. The cubic root of 151216 is about 53.2761192002.

Adding to 151216 its reverse (612151), we get a palindrome (763367).

The spelling of 151216 in words is "one hundred fifty-one thousand, two hundred sixteen".