266063652276 has 48 divisors (see below), whose sum is σ = 633242394624. Its totient is φ = 86929397856.

The previous prime is 266063652247. The next prime is 266063652289. The reversal of 266063652276 is 672256360662.

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, 925210 + ... + 1178193.

It is an arithmetic number, because the mean of its divisors is an integer number (13192549888).

Almost surely, 2^266063652276 is an apocalyptic number.

It is an amenable number.

266063652276 is an abundant number, since it is smaller than the sum of its proper divisors (367178742348).

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

266063652276 is a wasteful number, since it uses less digits than its factorization.

266063652276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103620 (or 2103618 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 266063652276 in words is "two hundred sixty-six billion, sixty-three million, six hundred fifty-two thousand, two hundred seventy-six".