1601680000016 has 10 divisors (see below), whose sum is σ = 3103255000062. Its totient is φ = 800840000000.

The previous prime is 1601680000007. The next prime is 1601680000021. The reversal of 1601680000016 is 6100000861061.

It can be written as a sum of positive squares in only one way, i.e., 1023617827600 + 578062172416 = 1011740^2 + 760304^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50052499985 + ... + 50052500016.

Almost surely, 2^{1601680000016} is an apocalyptic number.

1601680000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601680000016 is a deficient number, since it is larger than the sum of its proper divisors (1501575000046).

1601680000016 is a wasteful number, since it uses less digits than its factorization.

1601680000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100105000009 (or 100105000003 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1601680000016 its reverse (6100000861061), we get a palindrome (7701680861077).

The spelling of 1601680000016 in words is "one trillion, six hundred one billion, six hundred eighty million, sixteen", and thus it is an aban number.