152216320 has 72 divisors (see below), whose sum is σ = 368287920. Its totient is φ = 60272640.

The previous prime is 152216291. The next prime is 152216321. The reversal of 152216320 is 23612251.

It is a junction number, because it is equal to n+sod(n) for n = 152216291 and 152216300.

It is not an unprimeable number, because it can be changed into a prime (152216321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138975 + ... + 140065.

It is an arithmetic number, because the mean of its divisors is an integer number (5115110).

Almost surely, 2^152216320 is an apocalyptic number.

152216320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184143960).

152216320 is an abundant number, since it is smaller than the sum of its proper divisors (216071600).

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

152216320 is a wasteful number, since it uses less digits than its factorization.

152216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 152216320 is about 12337.5978212941. The cubic root of 152216320 is about 533.9333801969.

Adding to 152216320 its reverse (23612251), we get a palindrome (175828571).

The spelling of 152216320 in words is "one hundred fifty-two million, two hundred sixteen thousand, three hundred twenty".