9660796920 has 192 divisors, whose sum is σ = 32277398400. Its totient is φ = 2505000960.

The previous prime is 9660796919. The next prime is 9660796931. The reversal of 9660796920 is 296970669.

It is a happy number.

9660796920 is a `hidden beast` number, since 9 + 6 + 607 + 9 + 6 + 9 + 20 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1951969 + ... + 1956911.

It is an arithmetic number, because the mean of its divisors is an integer number (168111450).

Almost surely, 2^9660796920 is an apocalyptic number.

9660796920 is a gapful number since it is divisible by the number (90) 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 9660796920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16138699200).

9660796920 is an abundant number, since it is smaller than the sum of its proper divisors (22616601480).

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

9660796920 is a wasteful number, since it uses less digits than its factorization.

9660796920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 9660796920 is about 98289.3530348023. The cubic root of 9660796920 is about 2129.7942537496.

The spelling of 9660796920 in words is "nine billion, six hundred sixty million, seven hundred ninety-six thousand, nine hundred twenty".