159691392 has 384 divisors, whose sum is σ = 586051200. Its totient is φ = 42577920.

The previous prime is 159691373. The next prime is 159691393. The reversal of 159691392 is 293196951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (159691393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3894892 + ... + 3894932.

It is an arithmetic number, because the mean of its divisors is an integer number (1526175).

Almost surely, 2^159691392 is an apocalyptic number.

159691392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159691392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293025600).

159691392 is an abundant number, since it is smaller than the sum of its proper divisors (426359808).

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

159691392 is a wasteful number, since it uses less digits than its factorization.

159691392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 76 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 159691392 is about 12636.9059504295. The cubic root of 159691392 is about 542.5342607568.

The spelling of 159691392 in words is "one hundred fifty-nine million, six hundred ninety-one thousand, three hundred ninety-two".