1630424646 has 32 divisors (see below), whose sum is σ = 3625660800. Its totient is φ = 543100680.

The previous prime is 1630424639. The next prime is 1630424687. The reversal of 1630424646 is 6464240361.

1630424646 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 4 + 2 + 4 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1630424646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75225 + ... + 94443.

It is an arithmetic number, because the mean of its divisors is an integer number (113301900).

Almost surely, 2^1630424646 is an apocalyptic number.

1630424646 is an abundant number, since it is smaller than the sum of its proper divisors (1995236154).

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

1630424646 is a wasteful number, since it uses less digits than its factorization.

1630424646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20801 (or 20795 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 1630424646 is about 40378.5171347339. The cubic root of 1630424646 is about 1176.9741121985.

The spelling of 1630424646 in words is "one billion, six hundred thirty million, four hundred twenty-four thousand, six hundred forty-six".