1366164 has 36 divisors (see below), whose sum is σ = 3491124. Its totient is φ = 450432.

The previous prime is 1366163. The next prime is 1366187. The reversal of 1366164 is 4616631.

It can be written as a sum of positive squares in 2 ways, for example, as 501264 + 864900 = 708^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4794 + ... + 5070.

2^1366164 is an apocalyptic number.

It is an amenable number.

1366164 is an abundant number, since it is smaller than the sum of its proper divisors (2124960).

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

1366164 is a wasteful number, since it uses less digits than its factorization.

1366164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1366164 is about 1168.8301844152. The cubic root of 1366164 is about 110.9602974639.

The spelling of 1366164 in words is "one million, three hundred sixty-six thousand, one hundred sixty-four".