168214630028 has 12 divisors (see below), whose sum is σ = 303871589952. Its totient is φ = 81394175760.

The previous prime is 168214630027. The next prime is 168214630079. The reversal of 168214630028 is 820036412861.

It is not an unprimeable number, because it can be changed into a prime (168214630021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678284675 + ... + 678284922.

It is an arithmetic number, because the mean of its divisors is an integer number (25322632496).

Almost surely, 2^168214630028 is an apocalyptic number.

It is an amenable number.

168214630028 is a deficient number, since it is larger than the sum of its proper divisors (135656959924).

168214630028 is a wasteful number, since it uses less digits than its factorization.

168214630028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356569632 (or 1356569630 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 168214630028 in words is "one hundred sixty-eight billion, two hundred fourteen million, six hundred thirty thousand, twenty-eight".