216673710504 has 32 divisors (see below), whose sum is σ = 544009115520. Its totient is φ = 71914591616.

The previous prime is 216673710469. The next prime is 216673710541. The reversal of 216673710504 is 405017376612.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19367952 + ... + 19379135.

It is an arithmetic number, because the mean of its divisors is an integer number (17000284860).

Almost surely, 2^216673710504 is an apocalyptic number.

216673710504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216673710504 is an abundant number, since it is smaller than the sum of its proper divisors (327335405016).

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

216673710504 is a wasteful number, since it uses less digits than its factorization.

216673710504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38747329 (or 38747325 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 216673710504 in words is "two hundred sixteen billion, six hundred seventy-three million, seven hundred ten thousand, five hundred four".