103661552 has 40 divisors (see below), whose sum is σ = 211727520. Its totient is φ = 49068800.

The previous prime is 103661527. The next prime is 103661581. The reversal of 103661552 is 255166301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35774 + ... + 38562.

It is an arithmetic number, because the mean of its divisors is an integer number (5293188).

Almost surely, 2^103661552 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 103661552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105863760).

103661552 is an abundant number, since it is smaller than the sum of its proper divisors (108065968).

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

103661552 is a wasteful number, since it uses less digits than its factorization.

103661552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 103661552 is about 10181.4317264322. The cubic root of 103661552 is about 469.7562520629.

The spelling of 103661552 in words is "one hundred three million, six hundred sixty-one thousand, five hundred fifty-two".