84406308166 has 4 divisors (see below), whose sum is σ = 126609462252. Its totient is φ = 42203154082.

The previous prime is 84406308101. The next prime is 84406308169. The reversal of 84406308166 is 66180360448.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84406308169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101577040 + ... + 21101577043.

It is an arithmetic number, because the mean of its divisors is an integer number (31652365563).

Almost surely, 2^84406308166 is an apocalyptic number.

84406308166 is a deficient number, since it is larger than the sum of its proper divisors (42203154086).

84406308166 is a wasteful number, since it uses less digits than its factorization.

84406308166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42203154085.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 84406308166 in words is "eighty-four billion, four hundred six million, three hundred eight thousand, one hundred sixty-six".