1538520160 has 24 divisors (see below), whose sum is σ = 3634754256. Its totient is φ = 615408000.

The previous prime is 1538520157. The next prime is 1538520169. The reversal of 1538520160 is 610258351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538520169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4807716 + ... + 4808035.

It is an arithmetic number, because the mean of its divisors is an integer number (151448094).

Almost surely, 2^1538520160 is an apocalyptic number.

1538520160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1538520160 is an abundant number, since it is smaller than the sum of its proper divisors (2096234096).

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

1538520160 is an equidigital number, since it uses as much as digits as its factorization.

1538520160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615766 (or 9615758 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1538520160 is about 39223.9743014397. The cubic root of 1538520160 is about 1154.4303356964.

The spelling of 1538520160 in words is "one billion, five hundred thirty-eight million, five hundred twenty thousand, one hundred sixty".