66394099246 has 8 divisors (see below), whose sum is σ = 99618142104. Its totient is φ = 33188051880.

The previous prime is 66394099231. The next prime is 66394099273. The reversal of 66394099246 is 64299049366.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489645 + ... + 4504408.

It is an arithmetic number, because the mean of its divisors is an integer number (12452267763).

Almost surely, 2^66394099246 is an apocalyptic number.

66394099246 is a deficient number, since it is larger than the sum of its proper divisors (33224042858).

66394099246 is a wasteful number, since it uses less digits than its factorization.

66394099246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997746.

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 66394099246 in words is "sixty-six billion, three hundred ninety-four million, ninety-nine thousand, two hundred forty-six".