65000166001 has 4 divisors (see below), whose sum is σ = 65363295600. Its totient is φ = 64637036404.

The previous prime is 65000165999. The next prime is 65000166013. The reversal of 65000166001 is 10066100056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65000166001 - 2¹ = 65000165999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65000166041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181564531 + ... + 181564888.

It is an arithmetic number, because the mean of its divisors is an integer number (16340823900).

Almost surely, 2^65000166001 is an apocalyptic number.

It is an amenable number.

65000166001 is a deficient number, since it is larger than the sum of its proper divisors (363129599).

65000166001 is a wasteful number, since it uses less digits than its factorization.

65000166001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363129598.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 65000166001 its reverse (10066100056), we get a palindrome (75066266057).

The spelling of 65000166001 in words is "sixty-five billion, one hundred sixty-six thousand, one".