103620660 has 144 divisors (see below), whose sum is σ = 343103040. Its totient is φ = 23162880.

The previous prime is 103620641. The next prime is 103620689. The reversal of 103620660 is 66026301.

It is a super-3 number, since 3×103620660³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103620660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111076 + ... + 112004.

It is an arithmetic number, because the mean of its divisors is an integer number (2382660).

Almost surely, 2^103620660 is an apocalyptic number.

103620660 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 103620660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171551520).

103620660 is an abundant number, since it is smaller than the sum of its proper divisors (239482380).

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

103620660 is a wasteful number, since it uses less digits than its factorization.

103620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 103620660 is about 10179.4233628433. The cubic root of 103620660 is about 469.6944747414.

Adding to 103620660 its reverse (66026301), we get a palindrome (169646961).

The spelling of 103620660 in words is "one hundred three million, six hundred twenty thousand, six hundred sixty".