13400166 has 32 divisors (see below), whose sum is σ = 29080800. Its totient is φ = 4091904.

The previous prime is 13400161. The next prime is 13400171. The reversal of 13400166 is 66100431.

13400166 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13400161) and next prime (13400171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11046 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (908775).

Almost surely, 2^13400166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13400166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14540400).

13400166 is an abundant number, since it is smaller than the sum of its proper divisors (15680634).

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

13400166 is a wasteful number, since it uses less digits than its factorization.

13400166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13400166 is about 3660.6237173465. The cubic root of 13400166 is about 237.5217546093.

Adding to 13400166 its reverse (66100431), we get a palindrome (79500597).

The spelling of 13400166 in words is "thirteen million, four hundred thousand, one hundred sixty-six".