18164367453 has 8 divisors (see below), whose sum is σ = 24220283328. Its totient is φ = 12109014944.

The previous prime is 18164367449. The next prime is 18164367469. The reversal of 18164367453 is 35476346181.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18164367453 - 2² = 18164367449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18164367653) 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, 58776 + ... + 199457.

It is an arithmetic number, because the mean of its divisors is an integer number (3027535416).

Almost surely, 2^18164367453 is an apocalyptic number.

It is an amenable number.

18164367453 is a deficient number, since it is larger than the sum of its proper divisors (6055915875).

18164367453 is a wasteful number, since it uses less digits than its factorization.

18164367453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281683.

The product of its digits is 1451520, while the sum is 48.

The spelling of 18164367453 in words is "eighteen billion, one hundred sixty-four million, three hundred sixty-seven thousand, four hundred fifty-three".