206154368 has 48 divisors (see below), whose sum is σ = 477765450. Its totient is φ = 88349184.

The previous prime is 206154367. The next prime is 206154373. The reversal of 206154368 is 863451602.

It can be written as a sum of positive squares in only one way, i.e., 170250304 + 35904064 = 13048^2 + 5992^2 .

It is not an unprimeable number, because it can be changed into a prime (206154367) 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, 10163 + ... + 22706.

Almost surely, 2^206154368 is an apocalyptic number.

206154368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

206154368 is an abundant number, since it is smaller than the sum of its proper divisors (271611082).

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

206154368 is an equidigital number, since it uses as much as digits as its factorization.

206154368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32897 (or 32878 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 206154368 is about 14358.0767514316. The cubic root of 206154368 is about 590.7415438970.

The spelling of 206154368 in words is "two hundred six million, one hundred fifty-four thousand, three hundred sixty-eight".