866532819722 has 8 divisors (see below), whose sum is σ = 1299824106336. Its totient is φ = 433258117612.

The previous prime is 866532819707. The next prime is 866532819781. The reversal of 866532819722 is 227918235668.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4014668 + ... + 4224999.

It is an arithmetic number, because the mean of its divisors is an integer number (162478013292).

Almost surely, 2^866532819722 is an apocalyptic number.

866532819722 is a deficient number, since it is larger than the sum of its proper divisors (433291286614).

866532819722 is a wasteful number, since it uses less digits than its factorization.

866532819722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292252.

The product of its digits is 17418240, while the sum is 59.

The spelling of 866532819722 in words is "eight hundred sixty-six billion, five hundred thirty-two million, eight hundred nineteen thousand, seven hundred twenty-two".