216427076 has 6 divisors (see below), whose sum is σ = 378747390. Its totient is φ = 108213536.

The previous prime is 216427073. The next prime is 216427103. The reversal of 216427076 is 670724612.

It can be written as a sum of positive squares in only one way, i.e., 177688900 + 38738176 = 13330^2 + 6224^2 .

It is not an unprimeable number, because it can be changed into a prime (216427073) 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 as a sum of consecutive naturals, namely, 27053381 + ... + 27053388.

It is an arithmetic number, because the mean of its divisors is an integer number (63124565).

Almost surely, 2^216427076 is an apocalyptic number.

It is an amenable number.

216427076 is a deficient number, since it is larger than the sum of its proper divisors (162320314).

216427076 is a wasteful number, since it uses less digits than its factorization.

216427076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54106773 (or 54106771 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 216427076 is about 14711.4607024592. The cubic root of 216427076 is about 600.3951804043.

The spelling of 216427076 in words is "two hundred sixteen million, four hundred twenty-seven thousand, seventy-six".