5466660666645 has 64 divisors (see below), whose sum is σ = 9464485236480. Its totient is φ = 2684995319808.

The previous prime is 5466660666637. The next prime is 5466660666659.

5466660666645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5466660666645 - 2³ = 5466660666637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11331579 + ... + 11804151.

It is an arithmetic number, because the mean of its divisors is an integer number (147882581820).

Almost surely, 2^{5466660666645} is an apocalyptic number.

It is an amenable number.

5466660666645 is a deficient number, since it is larger than the sum of its proper divisors (3997824569835).

5466660666645 is a wasteful number, since it uses less digits than its factorization.

5466660666645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473734.

The product of its (nonzero) digits is 671846400, while the sum is 66.

The spelling of 5466660666645 in words is "five trillion, four hundred sixty-six billion, six hundred sixty million, six hundred sixty-six thousand, six hundred forty-five".