159920064 has 42 divisors (see below), whose sum is σ = 458383640. Its totient is φ = 53306496.

The previous prime is 159920021. The next prime is 159920077. The reversal of 159920064 is 460029951.

159920064 is a `hidden beast` number, since 1 + 599 + 2 + 0 + 0 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138244 + ... + 139395.

Almost surely, 2^159920064 is an apocalyptic number.

It is an amenable number.

159920064 is an abundant number, since it is smaller than the sum of its proper divisors (298463576).

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

159920064 is a wasteful number, since it uses less digits than its factorization.

159920064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277657 (or 277644 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 159920064 is about 12645.9504980844. The cubic root of 159920064 is about 542.7931000561.

The spelling of 159920064 in words is "one hundred fifty-nine million, nine hundred twenty thousand, sixty-four".