660903235201 has 4 divisors (see below), whose sum is σ = 720985347504. Its totient is φ = 600821122900.

The previous prime is 660903235193. The next prime is 660903235211. The reversal of 660903235201 is 102532309066.

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 660903235201 - 2³ = 660903235193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660903235211) 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, 30041056135 + ... + 30041056156.

It is an arithmetic number, because the mean of its divisors is an integer number (180246336876).

Almost surely, 2^660903235201 is an apocalyptic number.

It is an amenable number.

660903235201 is a deficient number, since it is larger than the sum of its proper divisors (60082112303).

660903235201 is a wasteful number, since it uses less digits than its factorization.

660903235201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60082112302.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 660903235201 in words is "six hundred sixty billion, nine hundred three million, two hundred thirty-five thousand, two hundred one".