1671725660 has 24 divisors (see below), whose sum is σ = 3829772016. Its totient is φ = 607900160.

The previous prime is 1671725641. The next prime is 1671725669. The reversal of 1671725660 is 665271761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671725669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3799157 + ... + 3799596.

It is an arithmetic number, because the mean of its divisors is an integer number (159573834).

Almost surely, 2^1671725660 is an apocalyptic number.

1671725660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1671725660 is an abundant number, since it is smaller than the sum of its proper divisors (2158046356).

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

1671725660 is a wasteful number, since it uses less digits than its factorization.

1671725660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598773 (or 7598771 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1671725660 is about 40886.7418609016. The cubic root of 1671725660 is about 1186.8295097331.

The spelling of 1671725660 in words is "one billion, six hundred seventy-one million, seven hundred twenty-five thousand, six hundred sixty".