81068054 has 16 divisors (see below), whose sum is σ = 128152800. Its totient is φ = 38385600.

The previous prime is 81068027. The next prime is 81068063. The reversal of 81068054 is 45086018.

It is a self number, because there is not a number n which added to its sum of digits gives 81068054.

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, 4079 + ... + 13370.

It is an arithmetic number, because the mean of its divisors is an integer number (8009550).

Almost surely, 2^81068054 is an apocalyptic number.

81068054 is a deficient number, since it is larger than the sum of its proper divisors (47084746).

81068054 is a wasteful number, since it uses less digits than its factorization.

81068054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 81068054 is about 9003.7799839845. The cubic root of 81068054 is about 432.7960110641.

The spelling of 81068054 in words is "eighty-one million, sixty-eight thousand, fifty-four".