16163152503 has 16 divisors (see below), whose sum is σ = 23671438080. Its totient is φ = 9764466624.

The previous prime is 16163152477. The next prime is 16163152507. The reversal of 16163152503 is 30525136161.

It is not a de Polignac number, because 16163152503 - 2¹⁶ = 16163086967 is a prime.

It is a super-2 number, since 2×16163152503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16163152507) 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, 6163126 + ... + 6165747.

It is an arithmetic number, because the mean of its divisors is an integer number (1479464880).

Almost surely, 2^16163152503 is an apocalyptic number.

16163152503 is a deficient number, since it is larger than the sum of its proper divisors (7508285577).

16163152503 is a wasteful number, since it uses less digits than its factorization.

16163152503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328918.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 16163152503 its reverse (30525136161), we get a palindrome (46688288664).

The spelling of 16163152503 in words is "sixteen billion, one hundred sixty-three million, one hundred fifty-two thousand, five hundred three".