866074583158 has 16 divisors (see below), whose sum is σ = 1299716664480. Its totient is φ = 432835747200.

The previous prime is 866074583137. The next prime is 866074583237. The reversal of 866074583158 is 851385470668.

It is a junction number, because it is equal to n+sod(n) for n = 866074583096 and 866074583105.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 63298078 + ... + 63311758.

It is an arithmetic number, because the mean of its divisors is an integer number (81232291530).

Almost surely, 2^866074583158 is an apocalyptic number.

866074583158 is a deficient number, since it is larger than the sum of its proper divisors (433642081322).

866074583158 is a wasteful number, since it uses less digits than its factorization.

866074583158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26103.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 866074583158 in words is "eight hundred sixty-six billion, seventy-four million, five hundred eighty-three thousand, one hundred fifty-eight".