159964420155 has 32 divisors (see below), whose sum is σ = 257348974080. Its totient is φ = 84846977280.

The previous prime is 159964420129. The next prime is 159964420177. The reversal of 159964420155 is 551024469951.

It is not a de Polignac number, because 159964420155 - 2¹⁶ = 159964354619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159964420098 and 159964420107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022300 + ... + 2099910.

It is an arithmetic number, because the mean of its divisors is an integer number (8042155440).

Almost surely, 2^159964420155 is an apocalyptic number.

159964420155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159964420155 is a deficient number, since it is larger than the sum of its proper divisors (97384553925).

159964420155 is a wasteful number, since it uses less digits than its factorization.

159964420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78371.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 159964420155 in words is "one hundred fifty-nine billion, nine hundred sixty-four million, four hundred twenty thousand, one hundred fifty-five".