103210660 has 144 divisors (see below), whose sum is σ = 278087040. Its totient is φ = 31933440.

The previous prime is 103210643. The next prime is 103210669. The reversal of 103210660 is 66012301.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428140 + ... + 428380.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^103210660 is an apocalyptic number.

103210660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103210660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139043520).

103210660 is an abundant number, since it is smaller than the sum of its proper divisors (174876380).

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

103210660 is a wasteful number, since it uses less digits than its factorization.

103210660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 103210660 is about 10159.2647371746. The cubic root of 103210660 is about 469.0741696020.

Adding to 103210660 its reverse (66012301), we get a palindrome (169222961).

The spelling of 103210660 in words is "one hundred three million, two hundred ten thousand, six hundred sixty".