2606212666401 has 16 divisors (see below), whose sum is σ = 3577110050304. Its totient is φ = 1686612098304.

The previous prime is 2606212666397. The next prime is 2606212666403. The reversal of 2606212666401 is 1046662126062.

It is not a de Polignac number, because 2606212666401 - 2² = 2606212666397 is a prime.

It is a super-2 number, since 2×2606212666401² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2606212666403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27064401 + ... + 27160526.

It is an arithmetic number, because the mean of its divisors is an integer number (223569378144).

Almost surely, 2^{2606212666401} is an apocalyptic number.

It is an amenable number.

2606212666401 is a deficient number, since it is larger than the sum of its proper divisors (970897383903).

2606212666401 is a wasteful number, since it uses less digits than its factorization.

2606212666401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54225400.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 2606212666401 in words is "two trillion, six hundred six billion, two hundred twelve million, six hundred sixty-six thousand, four hundred one".