545659666956545 has 16 divisors (see below), whose sum is σ = 663082152096000. Its totient is φ = 431000733241728.

The previous prime is 545659666956479. The next prime is 545659666956587.

545659666956545 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 545659666956545 - 2¹⁰ = 545659666955521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137261621 + ... + 141180989.

It is an arithmetic number, because the mean of its divisors is an integer number (41442634506000).

Almost surely, 2^{545659666956545} is an apocalyptic number.

It is an amenable number.

545659666956545 is a deficient number, since it is larger than the sum of its proper divisors (117422485139455).

545659666956545 is a wasteful number, since it uses less digits than its factorization.

545659666956545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271912.

The product of its digits is 157464000000, while the sum is 86.

The spelling of 545659666956545 in words is "five hundred forty-five trillion, six hundred fifty-nine billion, six hundred sixty-six million, nine hundred fifty-six thousand, five hundred forty-five".