1673516560 has 20 divisors (see below), whose sum is σ = 3890926188. Its totient is φ = 669406592.

The previous prime is 1673516531. The next prime is 1673516609. The reversal of 1673516560 is 656153761.

It can be written as a sum of positive squares in 2 ways, for example, as 1127079184 + 546437376 = 33572^2 + 23376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10459399 + ... + 10459558.

Almost surely, 2^1673516560 is an apocalyptic number.

1673516560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1673516560 is an abundant number, since it is smaller than the sum of its proper divisors (2217409628).

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

1673516560 is a wasteful number, since it uses less digits than its factorization.

1673516560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20918970 (or 20918964 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1673516560 is about 40908.6367409133. The cubic root of 1673516560 is about 1187.2531706376.

The spelling of 1673516560 in words is "one billion, six hundred seventy-three million, five hundred sixteen thousand, five hundred sixty".