8286161720 has 32 divisors (see below), whose sum is σ = 18710237520. Its totient is φ = 3302664960.

The previous prime is 8286161683. The next prime is 8286161753. The reversal of 8286161720 is 271616828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357362 + ... + 379841.

Almost surely, 2^8286161720 is an apocalyptic number.

It is an amenable number.

8286161720 is an abundant number, since it is smaller than the sum of its proper divisors (10424075800).

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

8286161720 is a wasteful number, since it uses less digits than its factorization.

8286161720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737495 (or 737491 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 8286161720 is about 91028.3566807618. The cubic root of 8286161720 is about 2023.5679939269.

The spelling of 8286161720 in words is "eight billion, two hundred eighty-six million, one hundred sixty-one thousand, seven hundred twenty".