206151001 has 16 divisors (see below), whose sum is σ = 248822784. Its totient is φ = 166971024.

The previous prime is 206150983. The next prime is 206151017. The reversal of 206151001 is 100151602.

It is a happy number.

206151001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 206151001 - 2¹⁵ = 206118233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206151031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5650 + ... + 21076.

It is an arithmetic number, because the mean of its divisors is an integer number (15551424).

Almost surely, 2^206151001 is an apocalyptic number.

It is an amenable number.

206151001 is a deficient number, since it is larger than the sum of its proper divisors (42671783).

206151001 is a wasteful number, since it uses less digits than its factorization.

206151001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 206151001 is about 14357.9594998732. The cubic root of 206151001 is about 590.7383277995.

The spelling of 206151001 in words is "two hundred six million, one hundred fifty-one thousand, one".