2266066655811 has 96 divisors (see below), whose sum is σ = 3914822246400. Its totient is φ = 1235885713920.

The previous prime is 2266066655803. The next prime is 2266066655813. The reversal of 2266066655811 is 1185566606622.

It is not a de Polignac number, because 2266066655811 - 2³ = 2266066655803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2266066655813) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68988930 + ... + 69021768.

It is an arithmetic number, because the mean of its divisors is an integer number (40779398400).

Almost surely, 2^{2266066655811} is an apocalyptic number.

2266066655811 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2266066655811 is a deficient number, since it is larger than the sum of its proper divisors (1648755590589).

2266066655811 is a wasteful number, since it uses less digits than its factorization.

2266066655811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33369 (or 33366 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 2266066655811 in words is "two trillion, two hundred sixty-six billion, sixty-six million, six hundred fifty-five thousand, eight hundred eleven".