12377216466 has 12 divisors (see below), whose sum is σ = 26817302382. Its totient is φ = 4125738816.

The previous prime is 12377216399. The next prime is 12377216507. The reversal of 12377216466 is 66461277321.

12377216466 is a `hidden beast` number, since 1 + 2 + 377 + 216 + 4 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7190192025 + 5187024441 = 84795^2 + 72021^2 .

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 5 ways as a sum of consecutive naturals, for example, 343811551 + ... + 343811586.

Almost surely, 2^12377216466 is an apocalyptic number.

12377216466 is an abundant number, since it is smaller than the sum of its proper divisors (14440085916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12377216466 is a wasteful number, since it uses less digits than its factorization.

12377216466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687623145 (or 687623142 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 12377216466 in words is "twelve billion, three hundred seventy-seven million, two hundred sixteen thousand, four hundred sixty-six".