159662316240 has 320 divisors, whose sum is σ = 629635653120. Its totient is φ = 36429004800.

The previous prime is 159662316239. The next prime is 159662316259. The reversal of 159662316240 is 42613266951.

159662316240 is a `hidden beast` number, since 1 + 5 + 9 + 6 + 623 + 16 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8715090 + ... + 8733390.

It is an arithmetic number, because the mean of its divisors is an integer number (1967611416).

Almost surely, 2^159662316240 is an apocalyptic number.

159662316240 is a gapful number since it is divisible by the number (10) 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 159662316240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314817826560).

159662316240 is an abundant number, since it is smaller than the sum of its proper divisors (469973336880).

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

159662316240 is a wasteful number, since it uses less digits than its factorization.

159662316240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907 (or 18895 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 159662316240 in words is "one hundred fifty-nine billion, six hundred sixty-two million, three hundred sixteen thousand, two hundred forty".