266946946936272 has 120 divisors (see below), whose sum is σ = 763386187531968. Its totient is φ = 87059355801600.

The previous prime is 266946946936207. The next prime is 266946946936309. The reversal of 266946946936272 is 272639649649662.

266946946936272 is a `hidden beast` number, since 2 + 6 + 6 + 9 + 46 + 94 + 69 + 362 + 72 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 266946946936191 and 266946946936200.

It is a congruent number.

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, 98316513 + ... + 100995200.

Almost surely, 2^{266946946936272} is an apocalyptic number.

It is an amenable number.

266946946936272 is an abundant number, since it is smaller than the sum of its proper divisors (496439240595696).

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

266946946936272 is a wasteful number, since it uses less digits than its factorization.

266946946936272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199311929 (or 199311920 counting only the distinct ones).

The product of its digits is 15237476352, while the sum is 81.

The spelling of 266946946936272 in words is "two hundred sixty-six trillion, nine hundred forty-six billion, nine hundred forty-six million, nine hundred thirty-six thousand, two hundred seventy-two".