89645317466 has 16 divisors (see below), whose sum is σ = 139850384640. Its totient is φ = 43059191760.

The previous prime is 89645317453. The next prime is 89645317469. The reversal of 89645317466 is 66471354698.

It is a super-2 number, since 2×89645317466² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89645317469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7661390 + ... + 7673081.

It is an arithmetic number, because the mean of its divisors is an integer number (8740649040).

Almost surely, 2^89645317466 is an apocalyptic number.

89645317466 is a deficient number, since it is larger than the sum of its proper divisors (50205067174).

89645317466 is a wasteful number, since it uses less digits than its factorization.

89645317466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334589.

The product of its digits is 26127360, while the sum is 59.

The spelling of 89645317466 in words is "eighty-nine billion, six hundred forty-five million, three hundred seventeen thousand, four hundred sixty-six".