206442216266 has 32 divisors (see below), whose sum is σ = 363828060288. Its totient is φ = 86612495040.

The previous prime is 206442216263. The next prime is 206442216313. The reversal of 206442216266 is 662612244602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (206442216263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6098660 + ... + 6132416.

It is an arithmetic number, because the mean of its divisors is an integer number (11369626884).

Almost surely, 2^206442216266 is an apocalyptic number.

206442216266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

206442216266 is a deficient number, since it is larger than the sum of its proper divisors (157385844022).

206442216266 is a wasteful number, since it uses less digits than its factorization.

206442216266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55166.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 206442216266 in words is "two hundred six billion, four hundred forty-two million, two hundred sixteen thousand, two hundred sixty-six".