8162869156512 has 192 divisors, whose sum is σ = 25788270412800. Its totient is φ = 2208573665280.

The previous prime is 8162869156441. The next prime is 8162869156523. The reversal of 8162869156512 is 2156519682618.

It is a super-2 number, since 2×8162869156512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30651064 + ... + 30916232.

It is an arithmetic number, because the mean of its divisors is an integer number (134313908400).

Almost surely, 2^{8162869156512} 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 8162869156512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12894135206400).

8162869156512 is an abundant number, since it is smaller than the sum of its proper divisors (17625401256288).

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

8162869156512 is a wasteful number, since it uses less digits than its factorization.

8162869156512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267619 (or 267611 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 60.

The spelling of 8162869156512 in words is "eight trillion, one hundred sixty-two billion, eight hundred sixty-nine million, one hundred fifty-six thousand, five hundred twelve".