6001005666506 has 64 divisors (see below), whose sum is σ = 9527849765280. Its totient is φ = 2830916874240.

The previous prime is 6001005666493. The next prime is 6001005666517. The reversal of 6001005666506 is 6056665001006.

It can be written as a sum of positive squares in 16 ways, for example, as 262302744025 + 5738702922481 = 512155^2 + 2395559^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674796596 + ... + 674805488.

Almost surely, 2^{6001005666506} is an apocalyptic number.

6001005666506 is a deficient number, since it is larger than the sum of its proper divisors (3526844098774).

6001005666506 is a wasteful number, since it uses less digits than its factorization.

6001005666506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 6001005666506 in words is "six trillion, one billion, five million, six hundred sixty-six thousand, five hundred six".