216751148 has 6 divisors (see below), whose sum is σ = 379314516. Its totient is φ = 108375572.

The previous prime is 216751127. The next prime is 216751201. The reversal of 216751148 is 841157612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27093890 + ... + 27093897.

It is an arithmetic number, because the mean of its divisors is an integer number (63219086).

Almost surely, 2^216751148 is an apocalyptic number.

It is an amenable number.

216751148 is a deficient number, since it is larger than the sum of its proper divisors (162563368).

216751148 is a wasteful number, since it uses less digits than its factorization.

216751148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54187791 (or 54187789 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 216751148 is about 14722.4708524079. The cubic root of 216751148 is about 600.6947027438.

The spelling of 216751148 in words is "two hundred sixteen million, seven hundred fifty-one thousand, one hundred forty-eight".