1538396160 has 416 divisors, whose sum is σ = 5818886400. Its totient is φ = 346816512.

The previous prime is 1538396159. The next prime is 1538396183. The reversal of 1538396160 is 616938351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21073884 + ... + 21073956.

Almost surely, 2^1538396160 is an apocalyptic number.

1538396160 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 1538396160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2909443200).

1538396160 is an abundant number, since it is smaller than the sum of its proper divisors (4280490240).

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

1538396160 is an frugal number, since it uses more digits than its factorization.

1538396160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1538396160 is about 39222.3936036545. The cubic root of 1538396160 is about 1154.3993203499.

The spelling of 1538396160 in words is "one billion, five hundred thirty-eight million, three hundred ninety-six thousand, one hundred sixty".