159228503964 has 36 divisors (see below), whose sum is σ = 404516876400. Its totient is φ = 52809451200.

The previous prime is 159228503947. The next prime is 159228503971. The reversal of 159228503964 is 469305822951.

159228503964 is a `hidden beast` number, since 1 + 59 + 2 + 28 + 503 + 9 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×159228503964² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159228503964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11105937 + ... + 11120264.

It is an arithmetic number, because the mean of its divisors is an integer number (11236579900).

Almost surely, 2^159228503964 is an apocalyptic number.

It is an amenable number.

159228503964 is an abundant number, since it is smaller than the sum of its proper divisors (245288372436).

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

159228503964 is a wasteful number, since it uses less digits than its factorization.

159228503964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226410 (or 22226405 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 159228503964 in words is "one hundred fifty-nine billion, two hundred twenty-eight million, five hundred three thousand, nine hundred sixty-four".