84066618662 has 8 divisors (see below), whose sum is σ = 135799922496. Its totient is φ = 38799977832.

The previous prime is 84066618583. The next prime is 84066618677. The reversal of 84066618662 is 26681666048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616665718 + ... + 1616665769.

It is an arithmetic number, because the mean of its divisors is an integer number (16974990312).

Almost surely, 2^84066618662 is an apocalyptic number.

84066618662 is a deficient number, since it is larger than the sum of its proper divisors (51733303834).

84066618662 is a wasteful number, since it uses less digits than its factorization.

84066618662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233331502.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 84066618662 in words is "eighty-four billion, sixty-six million, six hundred eighteen thousand, six hundred sixty-two".