4520274020666 has 16 divisors (see below), whose sum is σ = 7014774061440. Its totient is φ = 2182028350320.

The previous prime is 4520274020663. The next prime is 4520274020683. The reversal of 4520274020666 is 6660204720254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4520274020663) 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, 2347670 + ... + 3814721.

It is an arithmetic number, because the mean of its divisors is an integer number (438423378840).

Almost surely, 2^{4520274020666} is an apocalyptic number.

4520274020666 is a deficient number, since it is larger than the sum of its proper divisors (2494500040774).

4520274020666 is a wasteful number, since it uses less digits than its factorization.

4520274020666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175069.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 4520274020666 in words is "four trillion, five hundred twenty billion, two hundred seventy-four million, twenty thousand, six hundred sixty-six".