206770461 has 8 divisors (see below), whose sum is σ = 275950560. Its totient is φ = 137718672.

The previous prime is 206770457. The next prime is 206770463. The reversal of 206770461 is 164077602.

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

It is not a de Polignac number, because 206770461 - 2² = 206770457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206770463) 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, 28251 + ... + 34808.

It is an arithmetic number, because the mean of its divisors is an integer number (34493820).

Almost surely, 2^206770461 is an apocalyptic number.

It is an amenable number.

206770461 is a deficient number, since it is larger than the sum of its proper divisors (69180099).

206770461 is a wasteful number, since it uses less digits than its factorization.

206770461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64155.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 206770461 is about 14379.5153256290. The cubic root of 206770461 is about 591.3294363217.

The spelling of 206770461 in words is "two hundred six million, seven hundred seventy thousand, four hundred sixty-one".