266621240010051 has 16 divisors (see below), whose sum is σ = 394998607919520. Its totient is φ = 177745613116320.

The previous prime is 266621240009923. The next prime is 266621240010079. The reversal of 266621240010051 is 150010042126662.

It is not a de Polignac number, because 266621240010051 - 2⁷ = 266621240009923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266621240009988 and 266621240010015.

It is not an unprimeable number, because it can be changed into a prime (266621240010551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49626360 + ... + 54735893.

It is an arithmetic number, because the mean of its divisors is an integer number (24687412994970).

Almost surely, 2^{266621240010051} is an apocalyptic number.

266621240010051 is a deficient number, since it is larger than the sum of its proper divisors (128377367909469).

266621240010051 is a wasteful number, since it uses less digits than its factorization.

266621240010051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104456883 (or 104456877 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 266621240010051 in words is "two hundred sixty-six trillion, six hundred twenty-one billion, two hundred forty million, ten thousand, fifty-one".