18342176368953 has 16 divisors (see below), whose sum is σ = 24605514584640. Its totient is φ = 12153523349184.

The previous prime is 18342176368933. The next prime is 18342176368993. The reversal of 18342176368953 is 35986367124381.

It is a happy number.

It is not a de Polignac number, because 18342176368953 - 2¹² = 18342176364857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18342176368933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4070151 + ... + 7297292.

It is an arithmetic number, because the mean of its divisors is an integer number (1537844661540).

Almost surely, 2^{18342176368953} is an apocalyptic number.

It is an amenable number.

18342176368953 is a deficient number, since it is larger than the sum of its proper divisors (6263338215687).

18342176368953 is a wasteful number, since it uses less digits than its factorization.

18342176368953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11370728.

The product of its digits is 156764160, while the sum is 66.

The spelling of 18342176368953 in words is "eighteen trillion, three hundred forty-two billion, one hundred seventy-six million, three hundred sixty-eight thousand, nine hundred fifty-three".