266630052246 has 32 divisors (see below), whose sum is σ = 546336469728. Its totient is φ = 86697845760.

The previous prime is 266630052239. The next prime is 266630052251. The reversal of 266630052246 is 642250036662.

It is a junction number, because it is equal to n+sod(n) for n = 266630052198 and 266630052207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975746 + ... + 2106378.

It is an arithmetic number, because the mean of its divisors is an integer number (17073014679).

Almost surely, 2^266630052246 is an apocalyptic number.

266630052246 is an abundant number, since it is smaller than the sum of its proper divisors (279706417482).

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

266630052246 is a wasteful number, since it uses less digits than its factorization.

266630052246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138976.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 266630052246 in words is "two hundred sixty-six billion, six hundred thirty million, fifty-two thousand, two hundred forty-six".