985461164589 has 32 divisors (see below), whose sum is σ = 1441858112640. Its totient is φ = 593729158400.

The previous prime is 985461164537. The next prime is 985461164759.

It is a happy number.

985461164589 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 985461164589 - 2¹⁶ = 985461099053 is a prime.

It is a super-2 number, since 2×985461164589² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985461160589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7928059 + ... + 8051399.

It is an arithmetic number, because the mean of its divisors is an integer number (45058066020).

Almost surely, 2^985461164589 is an apocalyptic number.

It is an amenable number.

985461164589 is a deficient number, since it is larger than the sum of its proper divisors (456396948051).

985461164589 is a wasteful number, since it uses less digits than its factorization.

985461164589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124781.

The product of its digits is 74649600, while the sum is 66.

The spelling of 985461164589 in words is "nine hundred eighty-five billion, four hundred sixty-one million, one hundred sixty-four thousand, five hundred eighty-nine".