16267290 has 64 divisors (see below), whose sum is σ = 42892416. Its totient is φ = 3923712.

The previous prime is 16267271. The next prime is 16267291. The reversal of 16267290 is 9276261.

It is not an unprimeable number, because it can be changed into a prime (16267291) 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 31 ways as a sum of consecutive naturals, for example, 20277 + ... + 21063.

It is an arithmetic number, because the mean of its divisors is an integer number (670194).

Almost surely, 2^16267290 is an apocalyptic number.

16267290 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 16267290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21446208).

16267290 is an abundant number, since it is smaller than the sum of its proper divisors (26625126).

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

16267290 is a wasteful number, since it uses less digits than its factorization.

16267290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 16267290 is about 4033.2728645605. The cubic root of 16267290 is about 253.3796525801.

The spelling of 16267290 in words is "sixteen million, two hundred sixty-seven thousand, two hundred ninety".