1536664128 has 28 divisors (see below), whose sum is σ = 4065757680. Its totient is φ = 512221312.

The previous prime is 1536664099. The next prime is 1536664163. The reversal of 1536664128 is 8214666351.

It is a super-2 number, since 2×1536664128² = 4722673284564000768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1536664128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001538 + ... + 4001921.

Almost surely, 2^1536664128 is an apocalyptic number.

It is an amenable number.

1536664128 is an abundant number, since it is smaller than the sum of its proper divisors (2529093552).

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

1536664128 is an equidigital number, since it uses as much as digits as its factorization.

1536664128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003474 (or 8003464 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 1536664128 is about 39200.3077538940. The cubic root of 1536664128 is about 1153.9659236604.

The spelling of 1536664128 in words is "one billion, five hundred thirty-six million, six hundred sixty-four thousand, one hundred twenty-eight".