54162161808 has 80 divisors (see below), whose sum is σ = 144790345920. Its totient is φ = 17425884672.

The previous prime is 54162161773. The next prime is 54162161819. The reversal of 54162161808 is 80816126145.

It is a self number, because there is not a number n which added to its sum of digits gives 54162161808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865535 + ... + 7872417.

It is an arithmetic number, because the mean of its divisors is an integer number (1809879324).

Almost surely, 2^54162161808 is an apocalyptic number.

54162161808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54162161808 is an abundant number, since it is smaller than the sum of its proper divisors (90628184112).

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

54162161808 is a wasteful number, since it uses less digits than its factorization.

54162161808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576 (or 12570 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 54162161808 in words is "fifty-four billion, one hundred sixty-two million, one hundred sixty-one thousand, eight hundred eight".