545659666956546 has 16 divisors (see below), whose sum is σ = 1098270412474944. Its totient is φ = 180728042558544.

The previous prime is 545659666956479. The next prime is 545659666956587. The reversal of 545659666956546 is 645659666956545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289628272390 + ... + 289628274273.

It is an arithmetic number, because the mean of its divisors is an integer number (68641900779684).

Almost surely, 2^{545659666956546} is an apocalyptic number.

545659666956546 is an abundant number, since it is smaller than the sum of its proper divisors (552610745518398).

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

545659666956546 is a wasteful number, since it uses less digits than its factorization.

545659666956546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579256546825.

The product of its digits is 188956800000, while the sum is 87.

Subtracting 545659666956546 from its reverse (645659666956545), we obtain a palindrome (99999999999999).

The spelling of 545659666956546 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-six".