168500606678 has 4 divisors (see below), whose sum is σ = 252750910020. Its totient is φ = 84250303338.

The previous prime is 168500606641. The next prime is 168500606689. The reversal of 168500606678 is 876606005861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876606005861 = 4111 ⋅213234251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42125151668 + ... + 42125151671.

It is an arithmetic number, because the mean of its divisors is an integer number (63187727505).

Almost surely, 2^168500606678 is an apocalyptic number.

168500606678 is a deficient number, since it is larger than the sum of its proper divisors (84250303342).

168500606678 is an equidigital number, since it uses as much as digits as its factorization.

168500606678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84250303341.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 168500606678 in words is "one hundred sixty-eight billion, five hundred million, six hundred six thousand, six hundred seventy-eight".