18536995306 has 8 divisors (see below), whose sum is σ = 27807904800. Its totient is φ = 9267693708.

The previous prime is 18536995303. The next prime is 18536995349. The reversal of 18536995306 is 60359963581.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (18536995303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372726 + ... + 419521.

It is an arithmetic number, because the mean of its divisors is an integer number (3475988100).

Almost surely, 2^18536995306 is an apocalyptic number.

18536995306 is a deficient number, since it is larger than the sum of its proper divisors (9270909494).

18536995306 is a wasteful number, since it uses less digits than its factorization.

18536995306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803948.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 18536995306 in words is "eighteen billion, five hundred thirty-six million, nine hundred ninety-five thousand, three hundred six".