6506661146 has 8 divisors (see below), whose sum is σ = 9760507284. Its totient is φ = 3253158720.

The previous prime is 6506661103. The next prime is 6506661167. The reversal of 6506661146 is 6411666056.

It can be written as a sum of positive squares in 2 ways, for example, as 6046773121 + 459888025 = 77761^2 + 21445^2 .

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

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, 31775 + ... + 118418.

Almost surely, 2^6506661146 is an apocalyptic number.

6506661146 is a deficient number, since it is larger than the sum of its proper divisors (3253846138).

6506661146 is a wasteful number, since it uses less digits than its factorization.

6506661146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171856.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6506661146 is about 80663.8775785047. The cubic root of 6506661146 is about 1866.8928684991.

The spelling of 6506661146 in words is "six billion, five hundred six million, six hundred sixty-one thousand, one hundred forty-six".