1533198912 has 224 divisors, whose sum is σ = 4847539200. Its totient is φ = 418424832.

The previous prime is 1533198911. The next prime is 1533198923. The reversal of 1533198912 is 2198913351.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1533198911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5417523 + ... + 5417805.

It is an arithmetic number, because the mean of its divisors is an integer number (21640800).

Almost surely, 2^1533198912 is an apocalyptic number.

1533198912 is a gapful number since it is divisible by the number (12) 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 1533198912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423769600).

1533198912 is an abundant number, since it is smaller than the sum of its proper divisors (3314340288).

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

1533198912 is a wasteful number, since it uses less digits than its factorization.

1533198912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 463 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 1533198912 is about 39156.0839717150. The cubic root of 1533198912 is about 1153.0978635046.

The spelling of 1533198912 in words is "one billion, five hundred thirty-three million, one hundred ninety-eight thousand, nine hundred twelve".