1600681816104 has 64 divisors (see below), whose sum is σ = 4574408557440. Its totient is φ = 457234467840.

The previous prime is 1600681816103. The next prime is 1600681816177. The reversal of 1600681816104 is 4016181860061.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1600681816103) 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, 326629 + ... + 1818804.

It is an arithmetic number, because the mean of its divisors is an integer number (71475133710).

Almost surely, 2^{1600681816104} is an apocalyptic number.

1600681816104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1600681816104 is an abundant number, since it is smaller than the sum of its proper divisors (2973726741336).

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

1600681816104 is a wasteful number, since it uses less digits than its factorization.

1600681816104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149890 (or 2149886 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 1600681816104 in words is "one trillion, six hundred billion, six hundred eighty-one million, eight hundred sixteen thousand, one hundred four".