2606402406466 has 16 divisors (see below), whose sum is σ = 3975921813600. Its totient is φ = 1281095732448.

The previous prime is 2606402406463. The next prime is 2606402406481. The reversal of 2606402406466 is 6646042046062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2606402406463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15895990 + ... + 16059118.

It is an arithmetic number, because the mean of its divisors is an integer number (248495113350).

Almost surely, 2^{2606402406466} is an apocalyptic number.

2606402406466 is a deficient number, since it is larger than the sum of its proper divisors (1369519407134).

2606402406466 is a wasteful number, since it uses less digits than its factorization.

2606402406466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298593.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 2606402406466 in words is "two trillion, six hundred six billion, four hundred two million, four hundred six thousand, four hundred sixty-six".