156366 has 48 divisors (see below), whose sum is σ = 415584. Its totient is φ = 41472.

The previous prime is 156361. The next prime is 156371. The reversal of 156366 is 663651.

156366 is digitally balanced in base 2, because in such base 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 (156361) and next prime (156371).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (8658).

2¹⁵⁶³⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207792).

156366 is an abundant number, since it is smaller than the sum of its proper divisors (259218).

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

156366 is a wasteful number, since it uses less digits than its factorization.

156366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 102 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 156366 is about 395.4314099816. The cubic root of 156366 is about 53.8741927230.

The spelling of 156366 in words is "one hundred fifty-six thousand, three hundred sixty-six".