103536643 has 16 divisors (see below), whose sum is σ = 125280000. Its totient is φ = 83585952.

The previous prime is 103536617. The next prime is 103536659. The reversal of 103536643 is 346635301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103536643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103536143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21633 + ... + 25981.

It is an arithmetic number, because the mean of its divisors is an integer number (7830000).

Almost surely, 2^103536643 is an apocalyptic number.

103536643 is a deficient number, since it is larger than the sum of its proper divisors (21743357).

103536643 is a wasteful number, since it uses less digits than its factorization.

103536643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 103536643 is about 10175.2957205184. The cubic root of 103536643 is about 469.5674955881.

The spelling of 103536643 in words is "one hundred three million, five hundred thirty-six thousand, six hundred forty-three".