1680750197231 has 16 divisors (see below), whose sum is σ = 1924138444800. Its totient is φ = 1438184105568.

The previous prime is 1680750197221. The next prime is 1680750197249. The reversal of 1680750197231 is 1327910570861.

It is a happy number.

It is not a de Polignac number, because 1680750197231 - 2²² = 1680746002927 is a prime.

It is a super-2 number, since 2×1680750197231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1680750197231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680750197221) 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, 10795085 + ... + 10949673.

It is an arithmetic number, because the mean of its divisors is an integer number (120258652800).

Almost surely, 2^{1680750197231} is an apocalyptic number.

1680750197231 is a deficient number, since it is larger than the sum of its proper divisors (243388247569).

1680750197231 is a wasteful number, since it uses less digits than its factorization.

1680750197231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157238.

The product of its (nonzero) digits is 635040, while the sum is 50.

The spelling of 1680750197231 in words is "one trillion, six hundred eighty billion, seven hundred fifty million, one hundred ninety-seven thousand, two hundred thirty-one".