159828067278 has 72 divisors (see below), whose sum is σ = 390925060344. Its totient is φ = 47123730720.

The previous prime is 159828067261. The next prime is 159828067291. The reversal of 159828067278 is 872760828951.

159828067278 is a `hidden beast` number, since 159 + 82 + 80 + 67 + 278 = 666.

It is a super-2 number, since 2×159828067278² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 911076 + ... + 1072247.

It is an arithmetic number, because the mean of its divisors is an integer number (5429514727).

Almost surely, 2^159828067278 is an apocalyptic number.

159828067278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159828067278 is an abundant number, since it is smaller than the sum of its proper divisors (231096993066).

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

159828067278 is a wasteful number, since it uses less digits than its factorization.

159828067278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983390 (or 1983376 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 159828067278 in words is "one hundred fifty-nine billion, eight hundred twenty-eight million, sixty-seven thousand, two hundred seventy-eight".