1630464328 has 32 divisors (see below), whose sum is σ = 3220027200. Its totient is φ = 771844032.

The previous prime is 1630464259. The next prime is 1630464349. The reversal of 1630464328 is 8234640361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404901 + ... + 408907.

It is an arithmetic number, because the mean of its divisors is an integer number (100625850).

Almost surely, 2^1630464328 is an apocalyptic number.

It is an amenable number.

1630464328 is a deficient number, since it is larger than the sum of its proper divisors (1589562872).

1630464328 is a wasteful number, since it uses less digits than its factorization.

1630464328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6705 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1630464328 is about 40379.0085068963. The cubic root of 1630464328 is about 1176.9836606942.

The spelling of 1630464328 in words is "one billion, six hundred thirty million, four hundred sixty-four thousand, three hundred twenty-eight".