159666960 has 40 divisors (see below), whose sum is σ = 494968320. Its totient is φ = 42577792.

The previous prime is 159666919. The next prime is 159666973. The reversal of 159666960 is 69666951.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 332400 + ... + 332879.

It is an arithmetic number, because the mean of its divisors is an integer number (12374208).

Almost surely, 2^159666960 is an apocalyptic number.

159666960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159666960 is an abundant number, since it is smaller than the sum of its proper divisors (335301360).

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

159666960 is a wasteful number, since it uses less digits than its factorization.

159666960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665295 (or 665289 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 159666960 is about 12635.9392211264. The cubic root of 159666960 is about 542.5065909851.

Subtracting from 159666960 its reverse (69666951), we obtain a palindrome (90000009).

The spelling of 159666960 in words is "one hundred fifty-nine million, six hundred sixty-six thousand, nine hundred sixty".