660382768210 has 32 divisors (see below), whose sum is σ = 1353132127872. Its totient is φ = 229698353280.

The previous prime is 660382768163. The next prime is 660382768217. The reversal of 660382768210 is 12867283066.

It is a super-2 number, since 2×660382768210² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (660382768217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130507899 + ... + 130512958.

It is an arithmetic number, because the mean of its divisors is an integer number (42285378996).

Almost surely, 2^660382768210 is an apocalyptic number.

660382768210 is an abundant number, since it is smaller than the sum of its proper divisors (692749359662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660382768210 is a wasteful number, since it uses less digits than its factorization.

660382768210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261020898.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 660382768210 in words is "six hundred sixty billion, three hundred eighty-two million, seven hundred sixty-eight thousand, two hundred ten".