18306099802 has 8 divisors (see below), whose sum is σ = 27924559200. Its totient is φ = 8997913404.

The previous prime is 18306099797. The next prime is 18306099829. The reversal of 18306099802 is 20899060381.

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

It is a super-2 number, since 2×18306099802² (a number of 21 digits) contains 22 as substring.

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, 77568102 + ... + 77568337.

It is an arithmetic number, because the mean of its divisors is an integer number (3490569900).

Almost surely, 2^18306099802 is an apocalyptic number.

18306099802 is a deficient number, since it is larger than the sum of its proper divisors (9618459398).

18306099802 is a wasteful number, since it uses less digits than its factorization.

18306099802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155136500.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 18306099802 in words is "eighteen billion, three hundred six million, ninety-nine thousand, eight hundred two".