1506065666601 has 8 divisors (see below), whose sum is σ = 2008135748160. Its totient is φ = 1004019681392.

The previous prime is 1506065666569. The next prime is 1506065666639. The reversal of 1506065666601 is 1066665606051.

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

It is a cyclic number.

It is not a de Polignac number, because 1506065666601 - 2⁵ = 1506065666569 is a prime.

It is a super-2 number, since 2×1506065666601² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1506065666201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877741 + ... + 6128618.

It is an arithmetic number, because the mean of its divisors is an integer number (251016968520).

Almost surely, 2^{1506065666601} is an apocalyptic number.

It is an amenable number.

1506065666601 is a deficient number, since it is larger than the sum of its proper divisors (502070081559).

1506065666601 is a wasteful number, since it uses less digits than its factorization.

1506065666601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048175.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 1506065666601 in words is "one trillion, five hundred six billion, sixty-five million, six hundred sixty-six thousand, six hundred one".