266799056 has 10 divisors (see below), whose sum is σ = 516923202. Its totient is φ = 133399520.

The previous prime is 266799053. The next prime is 266799059. The reversal of 266799056 is 650997662.

It is an interprime number because it is at equal distance from previous prime (266799053) and next prime (266799059).

It can be written as a sum of positive squares in only one way, i.e., 165997456 + 100801600 = 12884^2 + 10040^2 .

It is a super-2 number, since 2×266799056² = 142363472564982272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266798995 and 266799013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266799053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337455 + ... + 8337486.

Almost surely, 2^266799056 is an apocalyptic number.

It is an amenable number.

266799056 is a deficient number, since it is larger than the sum of its proper divisors (250124146).

266799056 is a wasteful number, since it uses less digits than its factorization.

266799056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674949 (or 16674943 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 266799056 is about 16333.9846944951. The cubic root of 266799056 is about 643.7660891948.

The spelling of 266799056 in words is "two hundred sixty-six million, seven hundred ninety-nine thousand, fifty-six".