103215663 has 24 divisors (see below), whose sum is σ = 151901568. Its totient is φ = 67525632.

The previous prime is 103215659. The next prime is 103215667. The reversal of 103215663 is 366512301.

It is an interprime number because it is at equal distance from previous prime (103215659) and next prime (103215667).

It is not a de Polignac number, because 103215663 - 2² = 103215659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103215667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119170 + ... + 120032.

It is an arithmetic number, because the mean of its divisors is an integer number (6329232).

Almost surely, 2^103215663 is an apocalyptic number.

103215663 is a deficient number, since it is larger than the sum of its proper divisors (48685905).

103215663 is a wasteful number, since it uses less digits than its factorization.

103215663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 103215663 is about 10159.5109626399. The cubic root of 103215663 is about 469.0817487292.

Adding to 103215663 its reverse (366512301), we get a palindrome (469727964).

The spelling of 103215663 in words is "one hundred three million, two hundred fifteen thousand, six hundred sixty-three".