156078720 has 384 divisors, whose sum is σ = 636480000. Its totient is φ = 35223552.

The previous prime is 156078709. The next prime is 156078721. The reversal of 156078720 is 27870651.

156078720 is a `hidden beast` number, since 1 + 560 + 78 + 7 + 20 = 666.

156078720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is not an unprimeable number, because it can be changed into a prime (156078721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1975641 + ... + 1975719.

It is an arithmetic number, because the mean of its divisors is an integer number (1657500).

Almost surely, 2^156078720 is an apocalyptic number.

156078720 is a gapful number since it is divisible by the number (10) 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 156078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318240000).

156078720 is an abundant number, since it is smaller than the sum of its proper divisors (480401280).

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

156078720 is an equidigital number, since it uses as much as digits as its factorization.

156078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 156078720 is about 12493.1469214126. The cubic root of 156078720 is about 538.4117943790.

The spelling of 156078720 in words is "one hundred fifty-six million, seventy-eight thousand, seven hundred twenty".