866126738340413 has 8 divisors (see below), whose sum is σ = 944865795912480. Its totient is φ = 787387724631280.

The previous prime is 866126738340401. The next prime is 866126738340443. The reversal of 866126738340413 is 314043837621668.

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 866126738340413 - 2⁴ = 866126738340397 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 (866126738340443) 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, 41049083 + ... + 58457511.

It is an arithmetic number, because the mean of its divisors is an integer number (118108224489060).

Almost surely, 2^{866126738340413} is an apocalyptic number.

It is an amenable number.

866126738340413 is a deficient number, since it is larger than the sum of its proper divisors (78739057572067).

866126738340413 is a wasteful number, since it uses less digits than its factorization.

866126738340413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931467.

The product of its (nonzero) digits is 83607552, while the sum is 62.

The spelling of 866126738340413 in words is "eight hundred sixty-six trillion, one hundred twenty-six billion, seven hundred thirty-eight million, three hundred forty thousand, four hundred thirteen".