151311216 has 60 divisors (see below), whose sum is σ = 454712712. Its totient is φ = 43231104.

The previous prime is 151311191. The next prime is 151311221. The reversal of 151311216 is 612113151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 151311192 and 151311201.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 29815 + ... + 34518.

Almost surely, 2^151311216 is an apocalyptic number.

151311216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151311216 is an abundant number, since it is smaller than the sum of its proper divisors (303401496).

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

151311216 is a wasteful number, since it uses less digits than its factorization.

151311216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64358 (or 64345 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 151311216 is about 12300.8624087907. The cubic root of 151311216 is about 532.8729895767.

Adding to 151311216 its reverse (612113151), we get a palindrome (763424367).

The spelling of 151311216 in words is "one hundred fifty-one million, three hundred eleven thousand, two hundred sixteen".