8066965920 has 96 divisors (see below), whose sum is σ = 27365651712. Its totient is φ = 1985713152.

The previous prime is 8066965913. The next prime is 8066965961. The reversal of 8066965920 is 295696608.

It is a tau number, because it is divible by the number of its divisors (96).

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, 640152 + ... + 652631.

It is an arithmetic number, because the mean of its divisors is an integer number (285058872).

Almost surely, 2^8066965920 is an apocalyptic number.

8066965920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8066965920 is an abundant number, since it is smaller than the sum of its proper divisors (19298685792).

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

8066965920 is a wasteful number, since it uses less digits than its factorization.

8066965920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292814 (or 1292806 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 8066965920 is about 89816.2898365324. The cubic root of 8066965920 is about 2005.5649943901.

The spelling of 8066965920 in words is "eight billion, sixty-six million, nine hundred sixty-five thousand, nine hundred twenty".