1673648580 has 96 divisors (see below), whose sum is σ = 4960771200. Its totient is φ = 420876288.

The previous prime is 1673648579. The next prime is 1673648591. The reversal of 1673648580 is 858463761.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63636 + ... + 86004.

It is an arithmetic number, because the mean of its divisors is an integer number (51674700).

Almost surely, 2^1673648580 is an apocalyptic number.

1673648580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673648580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2480385600).

1673648580 is an abundant number, since it is smaller than the sum of its proper divisors (3287122620).

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

1673648580 is a wasteful number, since it uses less digits than its factorization.

1673648580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22453 (or 22451 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1673648580 is about 40910.2503047830. The cubic root of 1673648580 is about 1187.2843897375.

The spelling of 1673648580 in words is "one billion, six hundred seventy-three million, six hundred forty-eight thousand, five hundred eighty".