206081957672701 has 48 divisors (see below), whose sum is σ = 244106994700800. Its totient is φ = 173274061070880.

The previous prime is 206081957672687. The next prime is 206081957672753. The reversal of 206081957672701 is 107276759180602.

It is not a de Polignac number, because 206081957672701 - 2⁹ = 206081957672189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206081957672701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206081957675701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201058230 + ... + 202080616.

It is an arithmetic number, because the mean of its divisors is an integer number (5085562389600).

Almost surely, 2^{206081957672701} is an apocalyptic number.

It is an amenable number.

206081957672701 is a deficient number, since it is larger than the sum of its proper divisors (38025037028099).

206081957672701 is a wasteful number, since it uses less digits than its factorization.

206081957672701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024510 (or 1024499 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 206081957672701 in words is "two hundred six trillion, eighty-one billion, nine hundred fifty-seven million, six hundred seventy-two thousand, seven hundred one".