861033456806 has 8 divisors (see below), whose sum is σ = 1309741033104. Its totient is φ = 424453112440.

The previous prime is 861033456793. The next prime is 861033456851. The reversal of 861033456806 is 608654330168.

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

It is a super-2 number, since 2×861033456806² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3031807805 + ... + 3031808088.

It is an arithmetic number, because the mean of its divisors is an integer number (163717629138).

Almost surely, 2^861033456806 is an apocalyptic number.

861033456806 is a deficient number, since it is larger than the sum of its proper divisors (448707576298).

861033456806 is a wasteful number, since it uses less digits than its factorization.

861033456806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063615966.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 861033456806 in words is "eight hundred sixty-one billion, thirty-three million, four hundred fifty-six thousand, eight hundred six".