213266106 has 12 divisors (see below), whose sum is σ = 462076602. Its totient is φ = 71088696.

The previous prime is 213266101. The next prime is 213266129. The reversal of 213266106 is 601662312.

213266106 is a `hidden beast` number, since 21 + 3 + 26 + 610 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133610481 + 79655625 = 11559^2 + 8925^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213266106.

It is not an unprimeable number, because it can be changed into a prime (213266101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5924041 + ... + 5924076.

Almost surely, 2^213266106 is an apocalyptic number.

213266106 is an abundant number, since it is smaller than the sum of its proper divisors (248810496).

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

213266106 is a wasteful number, since it uses less digits than its factorization.

213266106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848125 (or 11848122 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 213266106 is about 14603.6333150350. The cubic root of 213266106 is about 597.4578610945.

The spelling of 213266106 in words is "two hundred thirteen million, two hundred sixty-six thousand, one hundred six".