253216016 has 20 divisors (see below), whose sum is σ = 511937472. Its totient is φ = 121103136.

The previous prime is 253216013. The next prime is 253216027. The reversal of 253216016 is 610612352.

It is not an unprimeable number, because it can be changed into a prime (253216013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343676 + ... + 344411.

Almost surely, 2^253216016 is an apocalyptic number.

It is an amenable number.

253216016 is an abundant number, since it is smaller than the sum of its proper divisors (258721456).

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

253216016 is a wasteful number, since it uses less digits than its factorization.

253216016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688118 (or 688112 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 253216016 is about 15912.7626765436. The cubic root of 253216016 is about 632.6503080315.

Adding to 253216016 its reverse (610612352), we get a palindrome (863828368).

The spelling of 253216016 in words is "two hundred fifty-three million, two hundred sixteen thousand, sixteen".