1646316048 has 40 divisors (see below), whose sum is σ = 4580137408. Its totient is φ = 506558592.

The previous prime is 1646316041. The next prime is 1646316071. The reversal of 1646316048 is 8406136461.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1646315997 and 1646316015.

It is not an unprimeable number, because it can be changed into a prime (1646316041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318540 + ... + 1319787.

Almost surely, 2^1646316048 is an apocalyptic number.

It is an amenable number.

1646316048 is an abundant number, since it is smaller than the sum of its proper divisors (2933821360).

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

1646316048 is a wasteful number, since it uses less digits than its factorization.

1646316048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638351 (or 2638345 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1646316048 is about 40574.8203692881. The cubic root of 1646316048 is about 1180.7856608265.

The spelling of 1646316048 in words is "one billion, six hundred forty-six million, three hundred sixteen thousand, forty-eight".