2660366141 has 4 divisors (see below), whose sum is σ = 2660706972. Its totient is φ = 2660025312.

The previous prime is 2660366131. The next prime is 2660366167. The reversal of 2660366141 is 1416630662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1416630662 = 2 ⋅708315331.

It can be written as a sum of positive squares in 2 ways, for example, as 983136025 + 1677230116 = 31355^2 + 40954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660366141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660366131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158426 + ... + 174411.

It is an arithmetic number, because the mean of its divisors is an integer number (665176743).

Almost surely, 2^2660366141 is an apocalyptic number.

It is an amenable number.

2660366141 is a deficient number, since it is larger than the sum of its proper divisors (340831).

2660366141 is an equidigital number, since it uses as much as digits as its factorization.

2660366141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340830.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2660366141 is about 51578.7372955174. The cubic root of 2660366141 is about 1385.6295523160.

The spelling of 2660366141 in words is "two billion, six hundred sixty million, three hundred sixty-six thousand, one hundred forty-one".