1646487048 has 32 divisors (see below), whose sum is σ = 4117217760. Its totient is φ = 548695680.

The previous prime is 1646487001. The next prime is 1646487091. The reversal of 1646487048 is 8407846461.

It is a junction number, because it is equal to n+sod(n) for n = 1646486988 and 1646487006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173236 + ... + 182492.

It is an arithmetic number, because the mean of its divisors is an integer number (128663055).

Almost surely, 2^1646487048 is an apocalyptic number.

It is an amenable number.

1646487048 is an abundant number, since it is smaller than the sum of its proper divisors (2470730712).

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

1646487048 is a wasteful number, since it uses less digits than its factorization.

1646487048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677 (or 16673 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 1646487048 is about 40576.9275327741. The cubic root of 1646487048 is about 1180.8265414657.

The spelling of 1646487048 in words is "one billion, six hundred forty-six million, four hundred eighty-seven thousand, forty-eight".