1630828528 has 20 divisors (see below), whose sum is σ = 3611120560. Its totient is φ = 698926464.

The previous prime is 1630828519. The next prime is 1630828531. The reversal of 1630828528 is 8258280361.

It is a congruent number.

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, 7280373 + ... + 7280596.

It is an arithmetic number, because the mean of its divisors is an integer number (180556028).

Almost surely, 2^1630828528 is an apocalyptic number.

It is an amenable number.

1630828528 is an abundant number, since it is smaller than the sum of its proper divisors (1980292032).

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

1630828528 is a wasteful number, since it uses less digits than its factorization.

1630828528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560984 (or 14560978 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 1630828528 is about 40383.5180240652. The cubic root of 1630828528 is about 1177.0712892159.

The spelling of 1630828528 in words is "one billion, six hundred thirty million, eight hundred twenty-eight thousand, five hundred twenty-eight".