159965726552 has 8 divisors (see below), whose sum is σ = 299935737300. Its totient is φ = 79982863272.

The previous prime is 159965726549. The next prime is 159965726581. The reversal of 159965726552 is 255627569951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9997857902 + ... + 9997857917.

Almost surely, 2^159965726552 is an apocalyptic number.

It is an amenable number.

159965726552 is a deficient number, since it is larger than the sum of its proper divisors (139970010748).

159965726552 is a wasteful number, since it uses less digits than its factorization.

159965726552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995715825 (or 19995715821 counting only the distinct ones).

The product of its digits is 51030000, while the sum is 62.

The spelling of 159965726552 in words is "one hundred fifty-nine billion, nine hundred sixty-five million, seven hundred twenty-six thousand, five hundred fifty-two".