168528142378612 has 24 divisors (see below), whose sum is σ = 306287175826016. Its totient is φ = 81076017119328.

The previous prime is 168528142378601. The next prime is 168528142378649. The reversal of 168528142378612 is 216873241825861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7312039083 + ... + 7312062130.

Almost surely, 2^{168528142378612} is an apocalyptic number.

It is an amenable number.

168528142378612 is a deficient number, since it is larger than the sum of its proper divisors (137759033447404).

168528142378612 is a wasteful number, since it uses less digits than its factorization.

168528142378612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624101327 (or 14624101325 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

The spelling of 168528142378612 in words is "one hundred sixty-eight trillion, five hundred twenty-eight billion, one hundred forty-two million, three hundred seventy-eight thousand, six hundred twelve".