1684252266 has 16 divisors (see below), whose sum is σ = 3369273600. Its totient is φ = 561289248.

The previous prime is 1684252201. The next prime is 1684252301. The reversal of 1684252266 is 6622524861.

It is a happy number.

It is a super-3 number, since 3×1684252266³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306 + ... + 58053.

It is an arithmetic number, because the mean of its divisors is an integer number (210579600).

Almost surely, 2^1684252266 is an apocalyptic number.

1684252266 is an abundant number, since it is smaller than the sum of its proper divisors (1685021334).

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

1684252266 is a wasteful number, since it uses less digits than its factorization.

1684252266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64093.

The product of its digits is 276480, while the sum is 42.

The square root of 1684252266 is about 41039.6426154030. The cubic root of 1684252266 is about 1189.7865271573.

The spelling of 1684252266 in words is "one billion, six hundred eighty-four million, two hundred fifty-two thousand, two hundred sixty-six".