666337453411 has 12 divisors (see below), whose sum is σ = 784938983520. Its totient is φ = 563916684240.

The previous prime is 666337453381. The next prime is 666337453427. The reversal of 666337453411 is 114354733666.

666337453411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666337453411 - 2²³ = 666329064803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666337453511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86064000 + ... + 86071741.

It is an arithmetic number, because the mean of its divisors is an integer number (65411581960).

Almost surely, 2^666337453411 is an apocalyptic number.

666337453411 is a deficient number, since it is larger than the sum of its proper divisors (118601530109).

666337453411 is a wasteful number, since it uses less digits than its factorization.

666337453411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172135834 (or 172135827 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 49.

The spelling of 666337453411 in words is "six hundred sixty-six billion, three hundred thirty-seven million, four hundred fifty-three thousand, four hundred eleven".