1642805628104 has 32 divisors (see below), whose sum is σ = 3095174008800. Its totient is φ = 817426686720.

The previous prime is 1642805628097. The next prime is 1642805628127. The reversal of 1642805628104 is 4018265082461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18620207 + ... + 18708225.

It is an arithmetic number, because the mean of its divisors is an integer number (96724187775).

Almost surely, 2^{1642805628104} is an apocalyptic number.

It is an amenable number.

1642805628104 is a deficient number, since it is larger than the sum of its proper divisors (1452368380696).

1642805628104 is a wasteful number, since it uses less digits than its factorization.

1642805628104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99293 (or 99289 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 1642805628104 in words is "one trillion, six hundred forty-two billion, eight hundred five million, six hundred twenty-eight thousand, one hundred four".