660270201 has 4 divisors (see below), whose sum is σ = 880360272. Its totient is φ = 440180132.

The previous prime is 660270199. The next prime is 660270211. The reversal of 660270201 is 102072066.

It is a happy number.

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 660270201 - 2¹ = 660270199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660270211) 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, 110045031 + ... + 110045036.

It is an arithmetic number, because the mean of its divisors is an integer number (220090068).

Almost surely, 2^660270201 is an apocalyptic number.

It is an amenable number.

660270201 is a deficient number, since it is larger than the sum of its proper divisors (220090071).

660270201 is a wasteful number, since it uses less digits than its factorization.

660270201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220090070.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 660270201 is about 25695.7233990405. The cubic root of 660270201 is about 870.7775674878. Note that the first 3 decimals are identical.

The spelling of 660270201 in words is "six hundred sixty million, two hundred seventy thousand, two hundred one".