2666461245 has 32 divisors (see below), whose sum is σ = 4878178560. Its totient is φ = 1218362880.

The previous prime is 2666461241. The next prime is 2666461247. The reversal of 2666461245 is 5421646662.

It is not a de Polignac number, because 2666461245 - 2² = 2666461241 is a prime.

It is a super-2 number, since 2×2666461245² = 14220031142173900050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666461197 and 2666461206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666461241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270361 + ... + 280049.

It is an arithmetic number, because the mean of its divisors is an integer number (152443080).

Almost surely, 2^2666461245 is an apocalyptic number.

It is an amenable number.

2666461245 is a deficient number, since it is larger than the sum of its proper divisors (2211717315).

2666461245 is a wasteful number, since it uses less digits than its factorization.

2666461245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325.

The product of its digits is 414720, while the sum is 42.

The square root of 2666461245 is about 51637.7889243914. The cubic root of 2666461245 is about 1386.6869399298.

The spelling of 2666461245 in words is "two billion, six hundred sixty-six million, four hundred sixty-one thousand, two hundred forty-five".