216677152 has 12 divisors (see below), whose sum is σ = 426583206. Its totient is φ = 108338560.

The previous prime is 216677147. The next prime is 216677207. The reversal of 216677152 is 251776612.

It can be written as a sum of positive squares in only one way, i.e., 213276816 + 3400336 = 14604^2 + 1844^2 .

It is a super-2 number, since 2×216677152² = 93897976397662208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3385549 + ... + 3385612.

Almost surely, 2^216677152 is an apocalyptic number.

It is an amenable number.

216677152 is a deficient number, since it is larger than the sum of its proper divisors (209906054).

216677152 is an equidigital number, since it uses as much as digits as its factorization.

216677152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771171 (or 6771163 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 216677152 is about 14719.9576086346. The cubic root of 216677152 is about 600.6263385318.

The spelling of 216677152 in words is "two hundred sixteen million, six hundred seventy-seven thousand, one hundred fifty-two".