18406017753 has 8 divisors (see below), whose sum is σ = 25063513728. Its totient is φ = 12009600144.

The previous prime is 18406017737. The next prime is 18406017767. The reversal of 18406017753 is 35771060481.

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

It is not a de Polignac number, because 18406017753 - 2⁴ = 18406017737 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18406017653) 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, 65269426 + ... + 65269707.

It is an arithmetic number, because the mean of its divisors is an integer number (3132939216).

Almost surely, 2^18406017753 is an apocalyptic number.

It is an amenable number.

18406017753 is a deficient number, since it is larger than the sum of its proper divisors (6657495975).

18406017753 is a wasteful number, since it uses less digits than its factorization.

18406017753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130539183.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 18406017753 in words is "eighteen billion, four hundred six million, seventeen thousand, seven hundred fifty-three".