16266258 has 80 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 5054400.

The previous prime is 16266253. The next prime is 16266269. The reversal of 16266258 is 85266261.

16266258 is a `hidden beast` number, since 1 + 6 + 26 + 625 + 8 = 666.

It is a super-2 number, since 2×16266258² = 529182298645128, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16266251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 205863 + ... + 205941.

It is an arithmetic number, because the mean of its divisors is an integer number (487872).

Almost surely, 2^16266258 is an apocalyptic number.

16266258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16266258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19514880).

16266258 is an abundant number, since it is smaller than the sum of its proper divisors (22763502).

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

16266258 is a wasteful number, since it uses less digits than its factorization.

16266258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 156 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 16266258 is about 4033.1449267290. The cubic root of 16266258 is about 253.3742943155.

The spelling of 16266258 in words is "sixteen million, two hundred sixty-six thousand, two hundred fifty-eight".