6545145266 has 32 divisors (see below), whose sum is σ = 11010408192. Its totient is φ = 2891842560.

The previous prime is 6545145263. The next prime is 6545145281. The reversal of 6545145266 is 6625415456.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6545145263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987335 + ... + 993941.

It is an arithmetic number, because the mean of its divisors is an integer number (344075256).

Almost surely, 2^6545145266 is an apocalyptic number.

6545145266 is a deficient number, since it is larger than the sum of its proper divisors (4465262926).

6545145266 is a wasteful number, since it uses less digits than its factorization.

6545145266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874.

The product of its digits is 864000, while the sum is 44.

The square root of 6545145266 is about 80902.0720748239. The cubic root of 6545145266 is about 1870.5662603037.

The spelling of 6545145266 in words is "six billion, five hundred forty-five million, one hundred forty-five thousand, two hundred sixty-six".