660529152001 has 4 divisors (see below), whose sum is σ = 660539402500. Its totient is φ = 660518901504.

The previous prime is 660529151999. The next prime is 660529152011. The reversal of 660529152001 is 100251925066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157451033601 + 503078118400 = 396801^2 + 709280^2 .

It is a cyclic number.

It is not a de Polignac number, because 660529152001 - 2¹ = 660529151999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660529152011) 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, 5027976 + ... + 5157673.

It is an arithmetic number, because the mean of its divisors is an integer number (165134850625).

Almost surely, 2^660529152001 is an apocalyptic number.

It is an amenable number.

660529152001 is a deficient number, since it is larger than the sum of its proper divisors (10250499).

660529152001 is a wasteful number, since it uses less digits than its factorization.

660529152001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250498.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 660529152001 in words is "six hundred sixty billion, five hundred twenty-nine million, one hundred fifty-two thousand, one".