159645696 has 152 divisors (see below), whose sum is σ = 503315520. Its totient is φ = 44040192.

The previous prime is 159645679. The next prime is 159645697. The reversal of 159645696 is 696546951.

Its product of digits (1749600) is a multiple of the sum of its prime factors (75).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159645697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505010 + ... + 5505038.

Almost surely, 2^159645696 is an apocalyptic number.

159645696 is a gapful number since it is divisible by the number (16) 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 159645696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251657760).

159645696 is an abundant number, since it is smaller than the sum of its proper divisors (343669824).

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

159645696 is an frugal number, since it uses more digits than its factorization.

159645696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 41 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 51.

The square root of 159645696 is about 12635.0977835551. The cubic root of 159645696 is about 542.4825067448.

The spelling of 159645696 in words is "one hundred fifty-nine million, six hundred forty-five thousand, six hundred ninety-six".