216750267106 has 16 divisors (see below), whose sum is σ = 327765563640. Its totient is φ = 107496369280.

The previous prime is 216750267091. The next prime is 216750267109. The reversal of 216750267106 is 601762057612.

It can be written as a sum of positive squares in 4 ways, for example, as 204929141481 + 11821125625 = 452691^2 + 108725^2 .

It is not an unprimeable number, because it can be changed into a prime (216750267109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14916 + ... + 658576.

Almost surely, 2^216750267106 is an apocalyptic number.

216750267106 is a deficient number, since it is larger than the sum of its proper divisors (111015296534).

216750267106 is a wasteful number, since it uses less digits than its factorization.

216750267106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645029.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 216750267106 in words is "two hundred sixteen billion, seven hundred fifty million, two hundred sixty-seven thousand, one hundred six".