16240363503 has 128 divisors (see below), whose sum is σ = 28711452672. Its totient is φ = 7932266496.

The previous prime is 16240363499. The next prime is 16240363511. The reversal of 16240363503 is 30536304261.

It is not a de Polignac number, because 16240363503 - 2² = 16240363499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240363543) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33347526 + ... + 33348012.

It is an arithmetic number, because the mean of its divisors is an integer number (224308224).

Almost surely, 2^16240363503 is an apocalyptic number.

16240363503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16240363503 is a deficient number, since it is larger than the sum of its proper divisors (12471089169).

16240363503 is a wasteful number, since it uses less digits than its factorization.

16240363503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 16240363503 its reverse (30536304261), we get a palindrome (46776667764).

The spelling of 16240363503 in words is "sixteen billion, two hundred forty million, three hundred sixty-three thousand, five hundred three".