1521332160 has 56 divisors (see below), whose sum is σ = 4830232656. Its totient is φ = 405688320.

The previous prime is 1521332129. The next prime is 1521332177. The reversal of 1521332160 is 612331251.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1521332160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791401 + ... + 793320.

Almost surely, 2^1521332160 is an apocalyptic number.

1521332160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1521332160 is an abundant number, since it is smaller than the sum of its proper divisors (3308900496).

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

1521332160 is a wasteful number, since it uses less digits than its factorization.

1521332160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584741 (or 1584731 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1521332160 is about 39004.2582290703. The cubic root of 1521332160 is about 1150.1152146696.

Subtracting from 1521332160 its reverse (612331251), we obtain a palindrome (909000909).

The spelling of 1521332160 in words is "one billion, five hundred twenty-one million, three hundred thirty-two thousand, one hundred sixty".