206623013032261 has 8 divisors (see below), whose sum is σ = 237725422473600. Its totient is φ = 175916812628688.

The previous prime is 206623013032229. The next prime is 206623013032277. The reversal of 206623013032261 is 162230310326602.

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

It is a cyclic number.

It is not a de Polignac number, because 206623013032261 - 2⁵ = 206623013032229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206623013032261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206623013032661) 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, 99052258321 + ... + 99052260406.

It is an arithmetic number, because the mean of its divisors is an integer number (29715677809200).

Almost surely, 2^{206623013032261} is an apocalyptic number.

It is an amenable number.

206623013032261 is a deficient number, since it is larger than the sum of its proper divisors (31102409441339).

206623013032261 is a wasteful number, since it uses less digits than its factorization.

206623013032261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198104518883.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 206623013032261 its reverse (162230310326602), we get a palindrome (368853323358863).

The spelling of 206623013032261 in words is "two hundred six trillion, six hundred twenty-three billion, thirteen million, thirty-two thousand, two hundred sixty-one".