16426112503 has 8 divisors (see below), whose sum is σ = 17616884400. Its totient is φ = 15267964608.

The previous prime is 16426112501. The next prime is 16426112509. The reversal of 16426112503 is 30521162461.

It is a happy number.

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 16426112503 - 2¹ = 16426112501 is a prime.

It is a super-2 number, since 2×16426112503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426112501) 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, 8154958 + ... + 8156971.

It is an arithmetic number, because the mean of its divisors is an integer number (2202110550).

Almost surely, 2^16426112503 is an apocalyptic number.

16426112503 is a deficient number, since it is larger than the sum of its proper divisors (1190771897).

16426112503 is a wasteful number, since it uses less digits than its factorization.

16426112503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16312001.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 16426112503 its reverse (30521162461), we get a palindrome (46947274964).

The spelling of 16426112503 in words is "sixteen billion, four hundred twenty-six million, one hundred twelve thousand, five hundred three".