16290450 has 96 divisors (see below), whose sum is σ = 49014720. Its totient is φ = 3945600.

The previous prime is 16290433. The next prime is 16290457. The reversal of 16290450 is 5409261.

It is a super-2 number, since 2×16290450² = 530757522405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16290457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14302 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (510570).

Almost surely, 2^16290450 is an apocalyptic number.

16290450 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 16290450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24507360).

16290450 is an abundant number, since it is smaller than the sum of its proper divisors (32724270).

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

16290450 is a wasteful number, since it uses less digits than its factorization.

16290450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16290450 is about 4036.1429607981. The cubic root of 16290450 is about 253.4998424424.

The spelling of 16290450 in words is "sixteen million, two hundred ninety thousand, four hundred fifty".