206126648 has 64 divisors (see below), whose sum is σ = 483840000. Its totient is φ = 80145792.

The previous prime is 206126647. The next prime is 206126653. The reversal of 206126648 is 846621602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206126647) 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 in 15 ways as a sum of consecutive naturals, for example, 40553 + ... + 45351.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000).

Almost surely, 2^206126648 is an apocalyptic number.

206126648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206126648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920000).

206126648 is an abundant number, since it is smaller than the sum of its proper divisors (277713352).

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

206126648 is a wasteful number, since it uses less digits than its factorization.

206126648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 206126648 is about 14357.1114086365. Note that the first 3 decimals coincide. The cubic root of 206126648 is about 590.7150652122.

The spelling of 206126648 in words is "two hundred six million, one hundred twenty-six thousand, six hundred forty-eight".