18696808306 has 16 divisors (see below), whose sum is σ = 30598539840. Its totient is φ = 8497504080.

The previous prime is 18696808303. The next prime is 18696808327. The reversal of 18696808306 is 60380869681.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18696808303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147700 + ... + 243328.

It is an arithmetic number, because the mean of its divisors is an integer number (1912408740).

Almost surely, 2^18696808306 is an apocalyptic number.

18696808306 is a deficient number, since it is larger than the sum of its proper divisors (11901731534).

18696808306 is a wasteful number, since it uses less digits than its factorization.

18696808306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104529.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 18696808306 in words is "eighteen billion, six hundred ninety-six million, eight hundred eight thousand, three hundred six".