666062210120 has 64 divisors (see below), whose sum is σ = 1534078465920. Its totient is φ = 260129447424.

The previous prime is 666062210117. The next prime is 666062210137. The reversal of 666062210120 is 21012260666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4507652 + ... + 4653068.

It is an arithmetic number, because the mean of its divisors is an integer number (23969976030).

Almost surely, 2^666062210120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666062210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767039232960).

666062210120 is an abundant number, since it is smaller than the sum of its proper divisors (868016255800).

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

666062210120 is a wasteful number, since it uses less digits than its factorization.

666062210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148134 (or 148130 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 666062210120 its reverse (21012260666), we get a palindrome (687074470786).

The spelling of 666062210120 in words is "six hundred sixty-six billion, sixty-two million, two hundred ten thousand, one hundred twenty".