119816666989 has 32 divisors (see below), whose sum is σ = 126721276416. Its totient is φ = 113151168000.

The previous prime is 119816666953. The next prime is 119816666999. The reversal of 119816666989 is 989666618911.

It is a cyclic number.

It is not a de Polignac number, because 119816666989 - 2⁹ = 119816666477 is a prime.

It is a super-2 number, since 2×119816666989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119816666909) 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 31 ways as a sum of consecutive naturals, for example, 136620619 + ... + 136621495.

It is an arithmetic number, because the mean of its divisors is an integer number (3960039888).

Almost surely, 2^119816666989 is an apocalyptic number.

It is an amenable number.

119816666989 is a deficient number, since it is larger than the sum of its proper divisors (6904609427).

119816666989 is a wasteful number, since it uses less digits than its factorization.

119816666989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its digits is 60466176, while the sum is 70.

The spelling of 119816666989 in words is "one hundred nineteen billion, eight hundred sixteen million, six hundred sixty-six thousand, nine hundred eighty-nine".