1641282672 has 20 divisors (see below), whose sum is σ = 4239980360. Its totient is φ = 547094208.

The previous prime is 1641282613. The next prime is 1641282677. The reversal of 1641282672 is 2762821461.

It is a self number, because there is not a number n which added to its sum of digits gives 1641282672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641282677) by changing a digit.

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, 17096647 + ... + 17096742.

It is an arithmetic number, because the mean of its divisors is an integer number (211999018).

Almost surely, 2^1641282672 is an apocalyptic number.

1641282672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1641282672 is an abundant number, since it is smaller than the sum of its proper divisors (2598697688).

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

1641282672 is a wasteful number, since it uses less digits than its factorization.

1641282672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34193400 (or 34193394 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 1641282672 is about 40512.7470310272. The cubic root of 1641282672 is about 1179.5810712436.

The spelling of 1641282672 in words is "one billion, six hundred forty-one million, two hundred eighty-two thousand, six hundred seventy-two".