6615133066 has 4 divisors (see below), whose sum is σ = 9922699602. Its totient is φ = 3307566532.

The previous prime is 6615133061. The next prime is 6615133123. The reversal of 6615133066 is 6603315166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6573155625 + 41977441 = 81075^2 + 6479^2 .

It is not an unprimeable number, because it can be changed into a prime (6615133061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653783265 + ... + 1653783268.

Almost surely, 2^6615133066 is an apocalyptic number.

6615133066 is a deficient number, since it is larger than the sum of its proper divisors (3307566536).

6615133066 is a wasteful number, since it uses less digits than its factorization.

6615133066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307566535.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 6615133066 is about 81333.4683018006. The cubic root of 6615133066 is about 1877.2100107261.

The spelling of 6615133066 in words is "six billion, six hundred fifteen million, one hundred thirty-three thousand, sixty-six".