2660745001 has 8 divisors (see below), whose sum is σ = 2685213000. Its totient is φ = 2636365440.

The previous prime is 2660744993. The next prime is 2660745011. The reversal of 2660745001 is 1005470662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 956293776 + 1704451225 = 30924^2 + 41285^2 .

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 2660745001 - 2³ = 2660744993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660745011) 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, 39111 + ... + 82771.

It is an arithmetic number, because the mean of its divisors is an integer number (335651625).

Almost surely, 2^2660745001 is an apocalyptic number.

It is an amenable number.

2660745001 is a deficient number, since it is larger than the sum of its proper divisors (24467999).

2660745001 is a wasteful number, since it uses less digits than its factorization.

2660745001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44219.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2660745001 is about 51582.4098021797. The cubic root of 2660745001 is about 1385.6953245527.

The spelling of 2660745001 in words is "two billion, six hundred sixty million, seven hundred forty-five thousand, one".