6511166651001 has 8 divisors (see below), whose sum is σ = 8685715368384. Its totient is φ = 4338697850480.

The previous prime is 6511166650969. The next prime is 6511166651009. The reversal of 6511166651001 is 1001566611156.

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 6511166651001 - 2⁵ = 6511166650969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6511166651009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519971910 + ... + 519984431.

It is an arithmetic number, because the mean of its divisors is an integer number (1085714421048).

Almost surely, 2^{6511166651001} is an apocalyptic number.

It is an amenable number.

6511166651001 is a deficient number, since it is larger than the sum of its proper divisors (2174548717383).

6511166651001 is a wasteful number, since it uses less digits than its factorization.

6511166651001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039958431.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 6511166651001 in words is "six trillion, five hundred eleven billion, one hundred sixty-six million, six hundred fifty-one thousand, one".