7920663155496 has 1024 divisors, whose sum is σ = 30751902720000. Its totient is φ = 1827386376192.

The previous prime is 7920663155453. The next prime is 7920663155507. The reversal of 7920663155496 is 6945513660297.

7920663155496 is a `hidden beast` number, since 7 + 9 + 2 + 0 + 66 + 31 + 55 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 336479295 + ... + 336502833.

It is an arithmetic number, because the mean of its divisors is an integer number (30031155000).

Almost surely, 2^{7920663155496} is an apocalyptic number.

7920663155496 is a gapful number since it is divisible by the number (76) 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 7920663155496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15375951360000).

7920663155496 is an abundant number, since it is smaller than the sum of its proper divisors (22831239564504).

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

7920663155496 is a wasteful number, since it uses less digits than its factorization.

7920663155496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23663 (or 23653 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 7920663155496 in words is "seven trillion, nine hundred twenty billion, six hundred sixty-three million, one hundred fifty-five thousand, four hundred ninety-six".