889924666145 has 16 divisors (see below), whose sum is σ = 1102606483968. Its totient is φ = 688818817920.

The previous prime is 889924666129. The next prime is 889924666157. The reversal of 889924666145 is 541666429988.

It is not a de Polignac number, because 889924666145 - 2⁴ = 889924666129 is a prime.

It is a super-2 number, since 2×889924666145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 46742 + ... + 1334928.

It is an arithmetic number, because the mean of its divisors is an integer number (68912905248).

Almost surely, 2^889924666145 is an apocalyptic number.

It is an amenable number.

889924666145 is a deficient number, since it is larger than the sum of its proper divisors (212681817823).

889924666145 is a wasteful number, since it uses less digits than its factorization.

889924666145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292680.

The product of its digits is 179159040, while the sum is 68.

The spelling of 889924666145 in words is "eight hundred eighty-nine billion, nine hundred twenty-four million, six hundred sixty-six thousand, one hundred forty-five".