1685351700016 has 20 divisors (see below), whose sum is σ = 3265444517272. Its totient is φ = 842656340736.

The previous prime is 1685351700013. The next prime is 1685351700091. The reversal of 1685351700016 is 6100071535861.

It is not an unprimeable number, because it can be changed into a prime (1685351700013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493545 + ... + 1901128.

Almost surely, 2^{1685351700016} is an apocalyptic number.

1685351700016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1685351700016 is a deficient number, since it is larger than the sum of its proper divisors (1580092817256).

1685351700016 is a wasteful number, since it uses less digits than its factorization.

1685351700016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438668 (or 2438662 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 1685351700016 in words is "one trillion, six hundred eighty-five billion, three hundred fifty-one million, seven hundred thousand, sixteen".