159197664 has 24 divisors (see below), whose sum is σ = 417894120. Its totient is φ = 53065856.

The previous prime is 159197659. The next prime is 159197669. The reversal of 159197664 is 466791951.

It is a happy number.

159197664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (159197659) and next prime (159197669).

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159197669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829059 + ... + 829250.

It is an arithmetic number, because the mean of its divisors is an integer number (17412255).

Almost surely, 2^159197664 is an apocalyptic number.

It is an amenable number.

159197664 is an abundant number, since it is smaller than the sum of its proper divisors (258696456).

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

159197664 is a wasteful number, since it uses less digits than its factorization.

159197664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658322 (or 1658314 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 159197664 is about 12617.3556659072. The cubic root of 159197664 is about 541.9745543443.

The spelling of 159197664 in words is "one hundred fifty-nine million, one hundred ninety-seven thousand, six hundred sixty-four".