156393216 has 108 divisors (see below), whose sum is σ = 515390512. Its totient is φ = 44679168.

The previous prime is 156393151. The next prime is 156393227. The reversal of 156393216 is 612393651.

156393216 is a `hidden beast` number, since 1 + 5 + 639 + 3 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11280 + ... + 20976.

Almost surely, 2^156393216 is an apocalyptic number.

156393216 is a gapful number since it is divisible by the number (16) 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 156393216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257695256).

156393216 is an abundant number, since it is smaller than the sum of its proper divisors (358997296).

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

156393216 is an equidigital number, since it uses as much as digits as its factorization.

156393216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726 (or 9709 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 156393216 is about 12505.7273279086. The cubic root of 156393216 is about 538.7731819993.

The spelling of 156393216 in words is "one hundred fifty-six million, three hundred ninety-three thousand, two hundred sixteen".