206515152 has 30 divisors (see below), whose sum is σ = 577956002. Its totient is φ = 68838336.

The previous prime is 206515151. The next prime is 206515159. The reversal of 206515152 is 251515602.

206515152 is a `hidden beast` number, since 2 + 0 + 651 + 5 + 1 + 5 + 2 = 666.

206515152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178382736 + 28132416 = 13356^2 + 5304^2 .

It is a super-4 number, since 4×206515152⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206515151) 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, 716923 + ... + 717210.

Almost surely, 2^206515152 is an apocalyptic number.

It is an amenable number.

206515152 is an abundant number, since it is smaller than the sum of its proper divisors (371440850).

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

206515152 is a wasteful number, since it uses less digits than its factorization.

206515152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434147 (or 1434138 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 206515152 is about 14370.6350590362. The cubic root of 206515152 is about 591.0859555294.

The spelling of 206515152 in words is "two hundred six million, five hundred fifteen thousand, one hundred fifty-two".