6516067066 has 8 divisors (see below), whose sum is σ = 9786946644. Its totient is φ = 3253751520.

The previous prime is 6516067057. The next prime is 6516067067. The reversal of 6516067066 is 6607606156.

It can be written as a sum of positive squares in 2 ways, for example, as 5983796025 + 532271041 = 77355^2 + 23071^2 .

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 (6516067067) 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, 2139105 + ... + 2142148.

Almost surely, 2^6516067066 is an apocalyptic number.

6516067066 is a deficient number, since it is larger than the sum of its proper divisors (3270879578).

6516067066 is a wasteful number, since it uses less digits than its factorization.

6516067066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282016.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 6516067066 is about 80722.1596960835. The cubic root of 6516067066 is about 1867.7920183580.

The spelling of 6516067066 in words is "six billion, five hundred sixteen million, sixty-seven thousand, sixty-six".