16165103 has 4 divisors (see below), whose sum is σ = 16220568. Its totient is φ = 16109640.

The previous prime is 16165091. The next prime is 16165109. The reversal of 16165103 is 30156161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30156161 = 7 ⋅4308023.

It is a cyclic number.

It is not a de Polignac number, because 16165103 - 2¹² = 16161007 is a prime.

It is a super-2 number, since 2×16165103² = 522621110001218, which 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 (16165109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27293 + ... + 27878.

It is an arithmetic number, because the mean of its divisors is an integer number (4055142).

Almost surely, 2^16165103 is an apocalyptic number.

16165103 is a deficient number, since it is larger than the sum of its proper divisors (55465).

16165103 is an equidigital number, since it uses as much as digits as its factorization.

16165103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55464.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16165103 is about 4020.5849076969. The cubic root of 16165103 is about 252.8479821247.

The spelling of 16165103 in words is "sixteen million, one hundred sixty-five thousand, one hundred three".