206644152 has 128 divisors (see below), whose sum is σ = 639072000. Its totient is φ = 54743040.

The previous prime is 206644127. The next prime is 206644153. The reversal of 206644152 is 251446602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206644153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63624 + ... + 66792.

It is an arithmetic number, because the mean of its divisors is an integer number (4992750).

Almost surely, 2^206644152 is an apocalyptic number.

206644152 is a gapful number since it is divisible by the number (22) 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 206644152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319536000).

206644152 is an abundant number, since it is smaller than the sum of its proper divisors (432427848).

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

206644152 is a wasteful number, since it uses less digits than its factorization.

206644152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 206644152 is about 14375.1226777374. The cubic root of 206644152 is about 591.2090041556.

The spelling of 206644152 in words is "two hundred six million, six hundred forty-four thousand, one hundred fifty-two".