8161258362 has 48 divisors (see below), whose sum is σ = 16933644000. Its totient is φ = 2621822080.

The previous prime is 8161258361. The next prime is 8161258397. The reversal of 8161258362 is 2638521618.

It is a super-2 number, since 2×8161258362² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8161258361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 832264 + ... + 842012.

It is an arithmetic number, because the mean of its divisors is an integer number (352784250).

Almost surely, 2^8161258362 is an apocalyptic number.

8161258362 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8161258362 is an abundant number, since it is smaller than the sum of its proper divisors (8772385638).

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

8161258362 is a wasteful number, since it uses less digits than its factorization.

8161258362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919 (or 9878 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 8161258362 is about 90339.6832073259. The cubic root of 8161258362 is about 2013.3489020172.

The spelling of 8161258362 in words is "eight billion, one hundred sixty-one million, two hundred fifty-eight thousand, three hundred sixty-two".