206700641 has 8 divisors (see below), whose sum is σ = 238569024. Its totient is φ = 175417200.

The previous prime is 206700629. The next prime is 206700647. The reversal of 206700641 is 146007602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-206700641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206700641.

It is not an unprimeable number, because it can be changed into a prime (206700647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145475 + ... + 146888.

It is an arithmetic number, because the mean of its divisors is an integer number (29821128).

Almost surely, 2^206700641 is an apocalyptic number.

It is an amenable number.

206700641 is a deficient number, since it is larger than the sum of its proper divisors (31868383).

206700641 is a wasteful number, since it uses less digits than its factorization.

206700641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292471.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 206700641 is about 14377.0873614929. The cubic root of 206700641 is about 591.2628709316.

The spelling of 206700641 in words is "two hundred six million, seven hundred thousand, six hundred forty-one".