266613421415122 has 64 divisors (see below), whose sum is σ = 442292213376000. Its totient is φ = 119969254975680.

The previous prime is 266613421415113. The next prime is 266613421415137. The reversal of 266613421415122 is 221514124316662.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808668873 + ... + 808998499.

It is an arithmetic number, because the mean of its divisors is an integer number (6910815834000).

Almost surely, 2^{266613421415122} is an apocalyptic number.

266613421415122 is a deficient number, since it is larger than the sum of its proper divisors (175678791960878).

266613421415122 is a wasteful number, since it uses less digits than its factorization.

266613421415122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336031.

The product of its digits is 829440, while the sum is 46.

The spelling of 266613421415122 in words is "two hundred sixty-six trillion, six hundred thirteen billion, four hundred twenty-one million, four hundred fifteen thousand, one hundred twenty-two".