1687756875164 has 12 divisors (see below), whose sum is σ = 2954147743344. Its totient is φ = 843714662784.

The previous prime is 1687756875151. The next prime is 1687756875209. The reversal of 1687756875164 is 4615786577861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40920512 + ... + 40961735.

It is an arithmetic number, because the mean of its divisors is an integer number (246178978612).

Almost surely, 2^{1687756875164} is an apocalyptic number.

It is an amenable number.

1687756875164 is a deficient number, since it is larger than the sum of its proper divisors (1266390868180).

1687756875164 is a wasteful number, since it uses less digits than its factorization.

1687756875164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81887404 (or 81887402 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 71.

The spelling of 1687756875164 in words is "one trillion, six hundred eighty-seven billion, seven hundred fifty-six million, eight hundred seventy-five thousand, one hundred sixty-four".