2660010001 has 4 divisors (see below), whose sum is σ = 2901829104. Its totient is φ = 2418190900.

The previous prime is 2660009999. The next prime is 2660010029. The reversal of 2660010001 is 1000100662.

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 2660010001 - 2¹ = 2660009999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660010061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120909535 + ... + 120909556.

It is an arithmetic number, because the mean of its divisors is an integer number (725457276).

Almost surely, 2^2660010001 is an apocalyptic number.

It is an amenable number.

2660010001 is a deficient number, since it is larger than the sum of its proper divisors (241819103).

2660010001 is a wasteful number, since it uses less digits than its factorization.

2660010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241819102.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2660010001 is about 51575.2847883557. The cubic root of 2660010001 is about 1385.5677187055.

Adding to 2660010001 its reverse (1000100662), we get a palindrome (3660110663).

The spelling of 2660010001 in words is "two billion, six hundred sixty million, ten thousand, one".