14166620 has 72 divisors (see below), whose sum is σ = 33817056. Its totient is φ = 4954752.

The previous prime is 14166613. The next prime is 14166623. The reversal of 14166620 is 2666141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 14166620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14166623) 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 23 ways as a sum of consecutive naturals, for example, 137489 + ... + 137591.

Almost surely, 2^14166620 is an apocalyptic number.

14166620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14166620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16908528).

14166620 is an abundant number, since it is smaller than the sum of its proper divisors (19650436).

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

14166620 is a wasteful number, since it uses less digits than its factorization.

14166620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 14166620 is about 3763.8570642361. The cubic root of 14166620 is about 241.9665960314.

The spelling of 14166620 in words is "fourteen million, one hundred sixty-six thousand, six hundred twenty".