8161648124 has 24 divisors (see below), whose sum is σ = 16329464928. Its totient is φ = 3496527360.

The previous prime is 8161648087. The next prime is 8161648169. The reversal of 8161648124 is 4218461618.

It is a happy number.

It is a super-2 number, since 2×8161648124² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22244 + ... + 129684.

It is an arithmetic number, because the mean of its divisors is an integer number (680394372).

Almost surely, 2^8161648124 is an apocalyptic number.

It is an amenable number.

8161648124 is an abundant number, since it is smaller than the sum of its proper divisors (8167816804).

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

8161648124 is a wasteful number, since it uses less digits than its factorization.

8161648124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110165 (or 110163 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 8161648124 is about 90341.8403841764. The cubic root of 8161648124 is about 2013.3809524016.

The spelling of 8161648124 in words is "eight billion, one hundred sixty-one million, six hundred forty-eight thousand, one hundred twenty-four".