156228366 has 48 divisors (see below), whose sum is σ = 364476240. Its totient is φ = 44513280.

The previous prime is 156228353. The next prime is 156228377. The reversal of 156228366 is 663822651.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188040 + ... + 188868.

It is an arithmetic number, because the mean of its divisors is an integer number (7593255).

Almost surely, 2^156228366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156228366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182238120).

156228366 is an abundant number, since it is smaller than the sum of its proper divisors (208247874).

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

156228366 is a wasteful number, since it uses less digits than its factorization.

156228366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1482 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 156228366 is about 12499.1346100440. The cubic root of 156228366 is about 538.5838132059.

The spelling of 156228366 in words is "one hundred fifty-six million, two hundred twenty-eight thousand, three hundred sixty-six".