12416660989 has 8 divisors (see below), whose sum is σ = 12548327000. Its totient is φ = 12285317952.

The previous prime is 12416660897. The next prime is 12416661017. The reversal of 12416660989 is 98906661421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 718508025 + 11698152964 = 26805^2 + 108158^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12416660989 - 2¹⁵ = 12416628221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12416666989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054 + ... + 157615.

It is an arithmetic number, because the mean of its divisors is an integer number (1568540875).

Almost surely, 2^12416660989 is an apocalyptic number.

It is an amenable number.

12416660989 is a deficient number, since it is larger than the sum of its proper divisors (131666011).

12416660989 is a wasteful number, since it uses less digits than its factorization.

12416660989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161487.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 12416660989 in words is "twelve billion, four hundred sixteen million, six hundred sixty thousand, nine hundred eighty-nine".