2666114214976 has 63 divisors (see below), whose sum is σ = 5393676504853. Its totient is φ = 1307565459200.

The previous prime is 2666114214947. The next prime is 2666114214977. The reversal of 2666114214976 is 6794124116662.

The square root of 2666114214976 is 1632824.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1921994049600 + 744120165376 = 1386360^2 + 862624^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666114214977) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 692315451 + ... + 692319301.

Almost surely, 2^{2666114214976} is an apocalyptic number.

2666114214976 is the 1632824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666114214976

2666114214976 is an abundant number, since it is smaller than the sum of its proper divisors (2727562289877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666114214976 is an frugal number, since it uses more digits than its factorization.

2666114214976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 3906 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The spelling of 2666114214976 in words is "two trillion, six hundred sixty-six billion, one hundred fourteen million, two hundred fourteen thousand, nine hundred seventy-six".