206237355822253 has 32 divisors (see below), whose sum is σ = 241324648704000. Its totient is φ = 172599356710080.

The previous prime is 206237355822149. The next prime is 206237355822257. The reversal of 206237355822253 is 352228553732602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206237355822253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206237355822194 and 206237355822203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206237355822257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59602888 + ... + 62968078.

It is an arithmetic number, because the mean of its divisors is an integer number (7541395272000).

Almost surely, 2^{206237355822253} is an apocalyptic number.

It is an amenable number.

206237355822253 is a deficient number, since it is larger than the sum of its proper divisors (35087292881747).

206237355822253 is a wasteful number, since it uses less digits than its factorization.

206237355822253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366265.

The product of its (nonzero) digits is 36288000, while the sum is 55.

The spelling of 206237355822253 in words is "two hundred six trillion, two hundred thirty-seven billion, three hundred fifty-five million, eight hundred twenty-two thousand, two hundred fifty-three".