16013263 has 8 divisors (see below), whose sum is σ = 18352928. Its totient is φ = 13686624.

The previous prime is 16013237. The next prime is 16013279. The reversal of 16013263 is 36231061.

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

It is a de Polignac number, because none of the positive numbers 2^k-16013263 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 (16013213) 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, 456 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (2294116).

Almost surely, 2^16013263 is an apocalyptic number.

16013263 is a deficient number, since it is larger than the sum of its proper divisors (2339665).

16013263 is an equidigital number, since it uses as much as digits as its factorization.

16013263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16013263 is about 4001.6575315736. The cubic root of 16013263 is about 252.0538171362.

The spelling of 16013263 in words is "sixteen million, thirteen thousand, two hundred sixty-three".