6516067435666 has 16 divisors (see below), whose sum is σ = 9796165920000. Its totient is φ = 3250679235328.

The previous prime is 6516067435651. The next prime is 6516067435679. The reversal of 6516067435666 is 6665347606156.

It is a super-2 number, since 2×6516067435666² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36354135 + ... + 36532933.

It is an arithmetic number, because the mean of its divisors is an integer number (612260370000).

Almost surely, 2^{6516067435666} is an apocalyptic number.

6516067435666 is a deficient number, since it is larger than the sum of its proper divisors (3280098484334).

6516067435666 is a wasteful number, since it uses less digits than its factorization.

6516067435666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219833.

The product of its (nonzero) digits is 97977600, while the sum is 61.

The spelling of 6516067435666 in words is "six trillion, five hundred sixteen billion, sixty-seven million, four hundred thirty-five thousand, six hundred sixty-six".