82668118 has 16 divisors (see below), whose sum is σ = 139347936. Its totient is φ = 36495360.

The previous prime is 82668077. The next prime is 82668133. The reversal of 82668118 is 81186628.

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, 68523 + ... + 69718.

It is an arithmetic number, because the mean of its divisors is an integer number (8709246).

Almost surely, 2^82668118 is an apocalyptic number.

82668118 is a deficient number, since it is larger than the sum of its proper divisors (56679818).

82668118 is a wasteful number, since it uses less digits than its factorization.

82668118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138279.

The product of its digits is 36864, while the sum is 40.

The square root of 82668118 is about 9092.2009436660. The cubic root of 82668118 is about 435.6248877851.

It can be divided in two parts, 8266 and 8118, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 82668118 in words is "eighty-two million, six hundred sixty-eight thousand, one hundred eighteen".