9159619968 has 80 divisors (see below), whose sum is σ = 27258911460. Its totient is φ = 3053203200.

The previous prime is 9159619951. The next prime is 9159619979. The reversal of 9159619968 is 8699169519.

It is a happy number.

9159619968 is a `hidden beast` number, since 9 + 1 + 5 + 9 + 619 + 9 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 431358 + ... + 452093.

Almost surely, 2^9159619968 is an apocalyptic number.

It is an amenable number.

9159619968 is an abundant number, since it is smaller than the sum of its proper divisors (18099291492).

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

9159619968 is an equidigital number, since it uses as much as digits as its factorization.

9159619968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883477 (or 883456 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 63.

The square root of 9159619968 is about 95705.9035169722. The cubic root of 9159619968 is about 2092.3089770509.

The spelling of 9159619968 in words is "nine billion, one hundred fifty-nine million, six hundred nineteen thousand, nine hundred sixty-eight".