2666391339058 has 8 divisors (see below), whose sum is σ = 4050214692480. Its totient is φ = 1316319774900.

The previous prime is 2666391339043. The next prime is 2666391339061. The reversal of 2666391339058 is 8509331936662.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2666391338987 and 2666391339005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8437947118 + ... + 8437947433.

It is an arithmetic number, because the mean of its divisors is an integer number (506276836560).

Almost surely, 2^{2666391339058} is an apocalyptic number.

2666391339058 is a deficient number, since it is larger than the sum of its proper divisors (1383823353422).

2666391339058 is a wasteful number, since it uses less digits than its factorization.

2666391339058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875894632.

The product of its (nonzero) digits is 37791360, while the sum is 61.

The spelling of 2666391339058 in words is "two trillion, six hundred sixty-six billion, three hundred ninety-one million, three hundred thirty-nine thousand, fifty-eight".