673651660 has 24 divisors (see below), whose sum is σ = 1543275216. Its totient is φ = 244964160.

The previous prime is 673651651. The next prime is 673651661. The reversal of 673651660 is 66156376.

It is not an unprimeable number, because it can be changed into a prime (673651661) 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, 1530807 + ... + 1531246.

It is an arithmetic number, because the mean of its divisors is an integer number (64303134).

Almost surely, 2^673651660 is an apocalyptic number.

It is an amenable number.

673651660 is an abundant number, since it is smaller than the sum of its proper divisors (869623556).

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

673651660 is a wasteful number, since it uses less digits than its factorization.

673651660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062073 (or 3062071 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 673651660 is about 25954.8003267218. The cubic root of 673651660 is about 876.6208476650.

The spelling of 673651660 in words is "six hundred seventy-three million, six hundred fifty-one thousand, six hundred sixty".