666914511045 has 32 divisors (see below), whose sum is σ = 1104166627200. Its totient is φ = 343326783744.

The previous prime is 666914511037. The next prime is 666914511049. The reversal of 666914511045 is 540115419666.

It is not a de Polignac number, because 666914511045 - 2³ = 666914511037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666914510985 and 666914511003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666914511049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359486 + ... + 1783824.

It is an arithmetic number, because the mean of its divisors is an integer number (34505207100).

Almost surely, 2^666914511045 is an apocalyptic number.

It is an amenable number.

666914511045 is a deficient number, since it is larger than the sum of its proper divisors (437252116155).

666914511045 is a wasteful number, since it uses less digits than its factorization.

666914511045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427989.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 666914511045 in words is "six hundred sixty-six billion, nine hundred fourteen million, five hundred eleven thousand, forty-five".