985072181706 has 32 divisors (see below), whose sum is σ = 2189133198720. Its totient is φ = 328344808032.

The previous prime is 985072181689. The next prime is 985072181747. The reversal of 985072181706 is 607181270589.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129686 + ... + 1801758.

It is an arithmetic number, because the mean of its divisors is an integer number (68410412460).

Almost surely, 2^985072181706 is an apocalyptic number.

985072181706 is an abundant number, since it is smaller than the sum of its proper divisors (1204061017014).

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

985072181706 is a wasteful number, since it uses less digits than its factorization.

985072181706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699227 (or 699221 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 985072181706 in words is "nine hundred eighty-five billion, seventy-two million, one hundred eighty-one thousand, seven hundred six".