6505154066 has 8 divisors (see below), whose sum is σ = 9854342604. Its totient is φ = 3220373200.

The previous prime is 6505154041. The next prime is 6505154069. The reversal of 6505154066 is 6604515056.

It can be written as a sum of positive squares in 2 ways, for example, as 5856687841 + 648466225 = 76529^2 + 25465^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6505154069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16101665 + ... + 16102068.

Almost surely, 2^6505154066 is an apocalyptic number.

6505154066 is a deficient number, since it is larger than the sum of its proper divisors (3349188538).

6505154066 is a wasteful number, since it uses less digits than its factorization.

6505154066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32203836.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 6505154066 is about 80654.5353095534. The cubic root of 6505154066 is about 1866.7487201105.

The spelling of 6505154066 in words is "six billion, five hundred five million, one hundred fifty-four thousand, sixty-six".