16305093 has 18 divisors (see below), whose sum is σ = 27397734. Its totient is φ = 9316944.

The previous prime is 16305089. The next prime is 16305119. The reversal of 16305093 is 39050361.

It can be written as a sum of positive squares in only one way, i.e., 11716929 + 4588164 = 3423^2 + 2142^2 .

It is not a de Polignac number, because 16305093 - 2² = 16305089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16305013) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18046 + ... + 18927.

Almost surely, 2^16305093 is an apocalyptic number.

It is an amenable number.

16305093 is a deficient number, since it is larger than the sum of its proper divisors (11092641).

16305093 is a wasteful number, since it uses less digits than its factorization.

16305093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36993 (or 36983 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 16305093 is about 4037.9565376561. The cubic root of 16305093 is about 253.5757741804.

The spelling of 16305093 in words is "sixteen million, three hundred five thousand, ninety-three".