206661072220562 has 8 divisors (see below), whose sum is σ = 309991960940592. Its totient is φ = 103330418573700.

The previous prime is 206661072220529. The next prime is 206661072220571. The reversal of 206661072220562 is 265022270166602.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56553764 + ... + 60097007.

It is an arithmetic number, because the mean of its divisors is an integer number (38748995117574).

Almost surely, 2^{206661072220562} is an apocalyptic number.

206661072220562 is a deficient number, since it is larger than the sum of its proper divisors (103330888720030).

206661072220562 is a wasteful number, since it uses less digits than its factorization.

206661072220562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117536584.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 206661072220562 in words is "two hundred six trillion, six hundred sixty-one billion, seventy-two million, two hundred twenty thousand, five hundred sixty-two".