83694216346418 has 4 divisors (see below), whose sum is σ = 125541324519630. Its totient is φ = 41847108173208.

The previous prime is 83694216346397. The next prime is 83694216346423. The reversal of 83694216346418 is 81464361249638.

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

It can be written as a sum of positive squares in only one way, i.e., 76991797603009 + 6702418743409 = 8774497^2 + 2588903^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20923554086603 + ... + 20923554086606.

Almost surely, 2^{83694216346418} is an apocalyptic number.

83694216346418 is a deficient number, since it is larger than the sum of its proper divisors (41847108173212).

83694216346418 is a wasteful number, since it uses less digits than its factorization.

83694216346418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41847108173211.

The product of its digits is 143327232, while the sum is 65.

The spelling of 83694216346418 in words is "eighty-three trillion, six hundred ninety-four billion, two hundred sixteen million, three hundred forty-six thousand, four hundred eighteen".