156530880 has 392 divisors, whose sum is σ = 619652304. Its totient is φ = 37324800.

The previous prime is 156530861. The next prime is 156530887. The reversal of 156530880 is 88035651.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156530887) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 2566050 + ... + 2566110.

Almost surely, 2^156530880 is an apocalyptic number.

156530880 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 156530880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309826152).

156530880 is an abundant number, since it is smaller than the sum of its proper divisors (463121424).

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

156530880 is an equidigital number, since it uses as much as digits as its factorization.

156530880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 156530880 is about 12511.2301553444. The cubic root of 156530880 is about 538.9312193733.

The spelling of 156530880 in words is "one hundred fifty-six million, five hundred thirty thousand, eight hundred eighty".