16355313503 has 8 divisors (see below), whose sum is σ = 16476838560. Its totient is φ = 16234069600.

The previous prime is 16355313391. The next prime is 16355313517. The reversal of 16355313503 is 30531355361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16355313503 - 2¹⁸ = 16355051359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355313553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47213 + ... + 186921.

It is an arithmetic number, because the mean of its divisors is an integer number (2059604820).

Almost surely, 2^16355313503 is an apocalyptic number.

16355313503 is a deficient number, since it is larger than the sum of its proper divisors (121525057).

16355313503 is a wasteful number, since it uses less digits than its factorization.

16355313503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140577.

The product of its (nonzero) digits is 60750, while the sum is 35.

Adding to 16355313503 its reverse (30531355361), we get a palindrome (46886668864).

The spelling of 16355313503 in words is "sixteen billion, three hundred fifty-five million, three hundred thirteen thousand, five hundred three".