1687051348752 has 160 divisors (see below), whose sum is σ = 5566147743744. Its totient is φ = 427507430400.

The previous prime is 1687051348721. The next prime is 1687051348799. The reversal of 1687051348752 is 2578431507861.

It is a super-2 number, since 2×1687051348752² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1687051348692 and 1687051348701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5414968 + ... + 5718039.

Almost surely, 2^{1687051348752} is an apocalyptic number.

1687051348752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1687051348752 is an abundant number, since it is smaller than the sum of its proper divisors (3879096394992).

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

1687051348752 is a wasteful number, since it uses less digits than its factorization.

1687051348752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133077 (or 11133071 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 1687051348752 in words is "one trillion, six hundred eighty-seven billion, fifty-one million, three hundred forty-eight thousand, seven hundred fifty-two".