1600881696880 has 40 divisors (see below), whose sum is σ = 3722786614800. Its totient is φ = 640225939968.

The previous prime is 1600881696863. The next prime is 1600881696889. The reversal of 1600881696880 is 886961880061.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600881696889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573045 + ... + 2382484.

It is an arithmetic number, because the mean of its divisors is an integer number (93069665370).

Almost surely, 2^{1600881696880} is an apocalyptic number.

1600881696880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600881696880 is an abundant number, since it is smaller than the sum of its proper divisors (2121904917920).

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

1600881696880 is a wasteful number, since it uses less digits than its factorization.

1600881696880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960601 (or 3960595 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 1600881696880 in words is "one trillion, six hundred billion, eight hundred eighty-one million, six hundred ninety-six thousand, eight hundred eighty".