1001641603600 has 120 divisors (see below), whose sum is σ = 2651204954880. Its totient is φ = 360626880000.

The previous prime is 1001641603511. The next prime is 1001641603631. The reversal of 1001641603600 is 63061461001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682560 + ... + 1571359.

It is an arithmetic number, because the mean of its divisors is an integer number (22093374624).

Almost surely, 2^{1001641603600} is an apocalyptic number.

1001641603600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001641603600 is an abundant number, since it is smaller than the sum of its proper divisors (1649563351280).

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

1001641603600 is a wasteful number, since it uses less digits than its factorization.

1001641603600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254049 (or 2254038 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 1001641603600 in words is "one trillion, one billion, six hundred forty-one million, six hundred three thousand, six hundred".