1688494122796 has 72 divisors (see below), whose sum is σ = 3275511753024. Its totient is φ = 760906298880.

The previous prime is 1688494122793. The next prime is 1688494122797. The reversal of 1688494122796 is 6972214948861.

It is not an unprimeable number, because it can be changed into a prime (1688494122793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13312896 + ... + 13439128.

It is an arithmetic number, because the mean of its divisors is an integer number (45493218792).

Almost surely, 2^{1688494122796} is an apocalyptic number.

It is an amenable number.

1688494122796 is a deficient number, since it is larger than the sum of its proper divisors (1587017630228).

1688494122796 is a wasteful number, since it uses less digits than its factorization.

1688494122796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126731 (or 126716 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The spelling of 1688494122796 in words is "one trillion, six hundred eighty-eight billion, four hundred ninety-four million, one hundred twenty-two thousand, seven hundred ninety-six".