103621616 has 20 divisors (see below), whose sum is σ = 229448112. Its totient is φ = 44409216.

The previous prime is 103621607. The next prime is 103621621. The reversal of 103621616 is 616126301.

It is a super-3 number, since 3×103621616³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462485 + ... + 462708.

Almost surely, 2^103621616 is an apocalyptic number.

103621616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103621616 is an abundant number, since it is smaller than the sum of its proper divisors (125826496).

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

103621616 is an equidigital number, since it uses as much as digits as its factorization.

103621616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925208 (or 925202 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 103621616 is about 10179.4703202082. The cubic root of 103621616 is about 469.6959191976.

Adding to 103621616 its reverse (616126301), we get a palindrome (719747917).

The spelling of 103621616 in words is "one hundred three million, six hundred twenty-one thousand, six hundred sixteen".