7920246516 has 144 divisors (see below), whose sum is σ = 23292279360. Its totient is φ = 2088515520.

The previous prime is 7920246493. The next prime is 7920246547. The reversal of 7920246516 is 6156420297.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1288771 + ... + 1294901.

It is an arithmetic number, because the mean of its divisors is an integer number (161751940).

Almost surely, 2^7920246516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7920246516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11646139680).

7920246516 is an abundant number, since it is smaller than the sum of its proper divisors (15372032844).

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

7920246516 is a wasteful number, since it uses less digits than its factorization.

7920246516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191 (or 6156 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 7920246516 is about 88995.7668431482. The cubic root of 7920246516 is about 1993.3316677155.

The spelling of 7920246516 in words is "seven billion, nine hundred twenty million, two hundred forty-six thousand, five hundred sixteen".