2666390141 has 8 divisors (see below), whose sum is σ = 2672678400. Its totient is φ = 2660110992.

The previous prime is 2666390119. The next prime is 2666390171. The reversal of 2666390141 is 1410936662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2666390141 - 2¹⁴ = 2666373757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2666390095 and 2666390104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666390101) 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, 1110260 + ... + 1112658.

It is an arithmetic number, because the mean of its divisors is an integer number (334084800).

Almost surely, 2^2666390141 is an apocalyptic number.

It is an amenable number.

2666390141 is a deficient number, since it is larger than the sum of its proper divisors (6288259).

2666390141 is a wasteful number, since it uses less digits than its factorization.

2666390141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2666390141 is about 51637.1004317632. The cubic root of 2666390141 is about 1386.6746139972.

The spelling of 2666390141 in words is "two billion, six hundred sixty-six million, three hundred ninety thousand, one hundred forty-one".