985415916666 has 32 divisors (see below), whose sum is σ = 2094701207040. Its totient is φ = 308162766384.

The previous prime is 985415916643. The next prime is 985415916671. The reversal of 985415916666 is 666619514589.

It is a junction number, because it is equal to n+sod(n) for n = 985415916597 and 985415916606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41949420 + ... + 41972903.

It is an arithmetic number, because the mean of its divisors is an integer number (65459412720).

Almost surely, 2^985415916666 is an apocalyptic number.

985415916666 is an abundant number, since it is smaller than the sum of its proper divisors (1109285290374).

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

985415916666 is a wasteful number, since it uses less digits than its factorization.

985415916666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83922450.

The product of its digits is 83980800, while the sum is 66.

The spelling of 985415916666 in words is "nine hundred eighty-five billion, four hundred fifteen million, nine hundred sixteen thousand, six hundred sixty-six".