2420604064666 has 16 divisors (see below), whose sum is σ = 3748070043648. Its totient is φ = 1171248174000.

The previous prime is 2420604064661. The next prime is 2420604064693. The reversal of 2420604064666 is 6664604060242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2420604064661) 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, 11933191 + ... + 12134341.

It is an arithmetic number, because the mean of its divisors is an integer number (234254377728).

Almost surely, 2^{2420604064666} is an apocalyptic number.

2420604064666 is a deficient number, since it is larger than the sum of its proper divisors (1327465978982).

2420604064666 is a wasteful number, since it uses less digits than its factorization.

2420604064666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395277.

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

The spelling of 2420604064666 in words is "two trillion, four hundred twenty billion, six hundred four million, sixty-four thousand, six hundred sixty-six".