1631728060 has 24 divisors (see below), whose sum is σ = 3459901536. Its totient is φ = 646353600.

The previous prime is 1631728057. The next prime is 1631728061. The reversal of 1631728060 is 608271361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631728061) 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, 393991 + ... + 398110.

It is an arithmetic number, because the mean of its divisors is an integer number (144162564).

Almost surely, 2^1631728060 is an apocalyptic number.

1631728060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1631728060 is an abundant number, since it is smaller than the sum of its proper divisors (1828173476).

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

1631728060 is a wasteful number, since it uses less digits than its factorization.

1631728060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792213 (or 792211 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1631728060 is about 40394.6538541921. The cubic root of 1631728060 is about 1177.2876656690.

The spelling of 1631728060 in words is "one billion, six hundred thirty-one million, seven hundred twenty-eight thousand, sixty".