156660480 has 180 divisors, whose sum is σ = 560930832. Its totient is φ = 41748480.

The previous prime is 156660473. The next prime is 156660487. The reversal of 156660480 is 84066651.

It is an interprime number because it is at equal distance from previous prime (156660473) and next prime (156660487).

It is a tau number, because it is divible by the number of its divisors (180).

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 (156660487) 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 19 ways as a sum of consecutive naturals, for example, 102925 + ... + 104435.

Almost surely, 2^156660480 is an apocalyptic number.

156660480 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 156660480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280465416).

156660480 is an abundant number, since it is smaller than the sum of its proper divisors (404270352).

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

156660480 is an equidigital number, since it uses as much as digits as its factorization.

156660480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 156660480 is about 12516.4084305363. The cubic root of 156660480 is about 539.0799146737.

The spelling of 156660480 in words is "one hundred fifty-six million, six hundred sixty thousand, four hundred eighty".