206245564426 has 16 divisors (see below), whose sum is σ = 337667587488. Its totient is φ = 93699415600.

The previous prime is 206245564423. The next prime is 206245564429. The reversal of 206245564426 is 624465542602.

It is an interprime number because it is at equal distance from previous prime (206245564423) and next prime (206245564429).

It is not an unprimeable number, because it can be changed into a prime (206245564423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384965 + ... + 2469928.

It is an arithmetic number, because the mean of its divisors is an integer number (21104224218).

Almost surely, 2^206245564426 is an apocalyptic number.

206245564426 is a deficient number, since it is larger than the sum of its proper divisors (131422023062).

206245564426 is a wasteful number, since it uses less digits than its factorization.

206245564426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856837.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 206245564426 in words is "two hundred six billion, two hundred forty-five million, five hundred sixty-four thousand, four hundred twenty-six".