18496218180957 has 8 divisors (see below), whose sum is σ = 26903590081440. Its totient is φ = 11209829200560.

The previous prime is 18496218180953. The next prime is 18496218180967. The reversal of 18496218180957 is 75908181269481.

It is a happy number.

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

It is not a de Polignac number, because 18496218180957 - 2² = 18496218180953 is a prime.

It is a super-2 number, since 2×18496218180957² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18496218180891 and 18496218180900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18496218180953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280245729982 + ... + 280245730047.

It is an arithmetic number, because the mean of its divisors is an integer number (3362948760180).

Almost surely, 2^{18496218180957} is an apocalyptic number.

It is an amenable number.

18496218180957 is a deficient number, since it is larger than the sum of its proper divisors (8407371900483).

18496218180957 is a wasteful number, since it uses less digits than its factorization.

18496218180957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560491460043.

The product of its (nonzero) digits is 69672960, while the sum is 69.

The spelling of 18496218180957 in words is "eighteen trillion, four hundred ninety-six billion, two hundred eighteen million, one hundred eighty thousand, nine hundred fifty-seven".