216078496 has 24 divisors (see below), whose sum is σ = 426250944. Its totient is φ = 107824320.

The previous prime is 216078437. The next prime is 216078497. The reversal of 216078496 is 694870612.

It is not an unprimeable number, because it can be changed into a prime (216078497) 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, 10281 + ... + 23191.

It is an arithmetic number, because the mean of its divisors is an integer number (17760456).

Almost surely, 2^216078496 is an apocalyptic number.

It is an amenable number.

216078496 is a deficient number, since it is larger than the sum of its proper divisors (210172448).

216078496 is a wasteful number, since it uses less digits than its factorization.

216078496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444 (or 13436 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 216078496 is about 14699.6087022750. The cubic root of 216078496 is about 600.0726726789.

It can be divided in two parts, 21607 and 8496, that added together give a palindrome (30103).

The spelling of 216078496 in words is "two hundred sixteen million, seventy-eight thousand, four hundred ninety-six".