18208361342 has 8 divisors (see below), whose sum is σ = 27322385616. Its totient is φ = 9100899472.

The previous prime is 18208361273. The next prime is 18208361387. The reversal of 18208361342 is 24316380281.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18208361296 and 18208361305.

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, 1633658 + ... + 1644765.

It is an arithmetic number, because the mean of its divisors is an integer number (3415298202).

Almost surely, 2^18208361342 is an apocalyptic number.

18208361342 is a deficient number, since it is larger than the sum of its proper divisors (9114024274).

18208361342 is a wasteful number, since it uses less digits than its factorization.

18208361342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281202.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 18208361342 in words is "eighteen billion, two hundred eight million, three hundred sixty-one thousand, three hundred forty-two".