1680554042916 has 72 divisors (see below), whose sum is σ = 4561969398336. Its totient is φ = 480109291200.

The previous prime is 1680554042903. The next prime is 1680554042917. The reversal of 1680554042916 is 6192404550861.

It is a super-2 number, since 2×1680554042916² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1680554042917) 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, 5828010 + ... + 6109566.

It is an arithmetic number, because the mean of its divisors is an integer number (63360686088).

Almost surely, 2^{1680554042916} is an apocalyptic number.

It is an amenable number.

1680554042916 is an abundant number, since it is smaller than the sum of its proper divisors (2881415355420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1680554042916 is a wasteful number, since it uses less digits than its factorization.

1680554042916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291729 (or 291720 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 1680554042916 in words is "one trillion, six hundred eighty billion, five hundred fifty-four million, forty-two thousand, nine hundred sixteen".