6562166566 has 8 divisors (see below), whose sum is σ = 10422264600. Its totient is φ = 3088078368.

The previous prime is 6562166557. The next prime is 6562166573. The reversal of 6562166566 is 6656612656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96502416 + ... + 96502483.

It is an arithmetic number, because the mean of its divisors is an integer number (1302783075).

Almost surely, 2^6562166566 is an apocalyptic number.

6562166566 is a deficient number, since it is larger than the sum of its proper divisors (3860098034).

6562166566 is a wasteful number, since it uses less digits than its factorization.

6562166566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193004918.

The product of its digits is 2332800, while the sum is 49.

The square root of 6562166566 is about 81007.2007046287. The cubic root of 6562166566 is about 1872.1863877638.

The spelling of 6562166566 in words is "six billion, five hundred sixty-two million, one hundred sixty-six thousand, five hundred sixty-six".