994093587666 has 24 divisors (see below), whose sum is σ = 2223349100544. Its totient is φ = 320675350680.

The previous prime is 994093587629. The next prime is 994093587671. The reversal of 994093587666 is 666785390499.

It is a super-2 number, since 2×994093587666² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 994093587594 and 994093587603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890764306 + ... + 890765421.

It is an arithmetic number, because the mean of its divisors is an integer number (92639545856).

Almost surely, 2^994093587666 is an apocalyptic number.

994093587666 is an abundant number, since it is smaller than the sum of its proper divisors (1229255512878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994093587666 is a wasteful number, since it uses less digits than its factorization.

994093587666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781529766 (or 1781529763 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 994093587666 in words is "nine hundred ninety-four billion, ninety-three million, five hundred eighty-seven thousand, six hundred sixty-six".