1681044532960 has 96 divisors (see below), whose sum is σ = 4300859838240. Its totient is φ = 617225668608.

The previous prime is 1681044532957. The next prime is 1681044532961. The reversal of 1681044532960 is 692354401861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1681044532961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885207 + ... + 2629846.

It is an arithmetic number, because the mean of its divisors is an integer number (44800623315).

Almost surely, 2^{1681044532960} is an apocalyptic number.

1681044532960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1681044532960 is an abundant number, since it is smaller than the sum of its proper divisors (2619815305280).

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

1681044532960 is a wasteful number, since it uses less digits than its factorization.

1681044532960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515260 (or 4515252 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 1681044532960 in words is "one trillion, six hundred eighty-one billion, forty-four million, five hundred thirty-two thousand, nine hundred sixty".