1680238640037 has 24 divisors (see below), whose sum is σ = 2389114022976. Its totient is φ = 1050165035008.

The previous prime is 1680238640033. The next prime is 1680238640063. The reversal of 1680238640037 is 7300468320861.

It is not a de Polignac number, because 1680238640037 - 2² = 1680238640033 is a prime.

It is a super-2 number, since 2×1680238640037² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680238640033) 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, 3547593 + ... + 3993230.

It is an arithmetic number, because the mean of its divisors is an integer number (99546417624).

Almost surely, 2^{1680238640037} is an apocalyptic number.

1680238640037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1680238640037 is a deficient number, since it is larger than the sum of its proper divisors (708875382939).

1680238640037 is a wasteful number, since it uses less digits than its factorization.

1680238640037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541117 (or 7541100 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 1680238640037 in words is "one trillion, six hundred eighty billion, two hundred thirty-eight million, six hundred forty thousand, thirty-seven".