159000016122 has 28 divisors (see below), whose sum is σ = 357586459290. Its totient is φ = 53000004888.

The previous prime is 159000016061. The next prime is 159000016129. The reversal of 159000016122 is 221610000951.

It can be written as a sum of positive squares in only one way, i.e., 111134890161 + 47865125961 = 333369^2 + 218781^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (159000016129) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 54525297 + ... + 54528212.

Almost surely, 2^159000016122 is an apocalyptic number.

159000016122 is an abundant number, since it is smaller than the sum of its proper divisors (198586443168).

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

159000016122 is an equidigital number, since it uses as much as digits as its factorization.

159000016122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053529 (or 109053514 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 159000016122 in words is "one hundred fifty-nine billion, sixteen thousand, one hundred twenty-two".