16113090 has 48 divisors (see below), whose sum is σ = 44356032. Its totient is φ = 3669696.

The previous prime is 16113079. The next prime is 16113091. The reversal of 16113090 is 9031161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58032 + ... + 58308.

It is an arithmetic number, because the mean of its divisors is an integer number (924084).

Almost surely, 2^16113090 is an apocalyptic number.

16113090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16113090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22178016).

16113090 is an abundant number, since it is smaller than the sum of its proper divisors (28242942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16113090 is an equidigital number, since it uses as much as digits as its factorization.

16113090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 16113090 is about 4014.1113586945. Note that the first 3 decimals coincide. The cubic root of 16113090 is about 252.5765019965.

The spelling of 16113090 in words is "sixteen million, one hundred thirteen thousand, ninety".