8154966560 has 144 divisors (see below), whose sum is σ = 20984624640. Its totient is φ = 2993402880.

The previous prime is 8154966557. The next prime is 8154966581. The reversal of 8154966560 is 656694518.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8154966499 and 8154966508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5163851 + ... + 5165429.

It is an arithmetic number, because the mean of its divisors is an integer number (145726560).

Almost surely, 2^8154966560 is an apocalyptic number.

8154966560 is a gapful number since it is divisible by the number (80) 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 8154966560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10492312320).

8154966560 is an abundant number, since it is smaller than the sum of its proper divisors (12829658080).

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

8154966560 is a wasteful number, since it uses less digits than its factorization.

8154966560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 8154966560 is about 90304.8534686813. The cubic root of 8154966560 is about 2012.8313817697.

The spelling of 8154966560 in words is "eight billion, one hundred fifty-four million, nine hundred sixty-six thousand, five hundred sixty".