266611064401050 has 48 divisors (see below), whose sum is σ = 661197422582112. Its totient is φ = 71096070628800.

The previous prime is 266611064401001. The next prime is 266611064401067. The reversal of 266611064401050 is 50104460116662.

It is a happy number.

It is a super-2 number, since 2×266611064401050² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266611064400993 and 266611064401011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51126717 + ... + 56099583.

It is an arithmetic number, because the mean of its divisors is an integer number (13774946303794).

Almost surely, 2^{266611064401050} is an apocalyptic number.

266611064401050 is an abundant number, since it is smaller than the sum of its proper divisors (394586358181062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266611064401050 is a wasteful number, since it uses less digits than its factorization.

266611064401050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330303 (or 5330298 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 266611064401050 in words is "two hundred sixty-six trillion, six hundred eleven billion, sixty-four million, four hundred one thousand, fifty".