206013272558 has 4 divisors (see below), whose sum is σ = 309019908840. Its totient is φ = 103006636278.

The previous prime is 206013272557. The next prime is 206013272581. The reversal of 206013272558 is 855272310602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 855272310602 = 2 ⋅427636155301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206013272551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51503318138 + ... + 51503318141.

It is an arithmetic number, because the mean of its divisors is an integer number (77254977210).

Almost surely, 2^206013272558 is an apocalyptic number.

206013272558 is a deficient number, since it is larger than the sum of its proper divisors (103006636282).

206013272558 is a wasteful number, since it uses less digits than its factorization.

206013272558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103006636281.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 206013272558 in words is "two hundred six billion, thirteen million, two hundred seventy-two thousand, five hundred fifty-eight".