7216465920 has 192 divisors, whose sum is σ = 23471622720. Its totient is φ = 1892352000.

The previous prime is 7216465891. The next prime is 7216465951. The reversal of 7216465920 is 295646127.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871995 + ... + 1875845.

It is an arithmetic number, because the mean of its divisors is an integer number (122248035).

Almost surely, 2^7216465920 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 7216465920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11735811360).

7216465920 is an abundant number, since it is smaller than the sum of its proper divisors (16255156800).

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

7216465920 is a wasteful number, since it uses less digits than its factorization.

7216465920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3922 counting only the distinct ones).

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

The square root of 7216465920 is about 84949.7846966077. The cubic root of 7216465920 is about 1932.4496550789.

The spelling of 7216465920 in words is "seven billion, two hundred sixteen million, four hundred sixty-five thousand, nine hundred twenty".