18178053052342 has 16 divisors (see below), whose sum is σ = 28292542232400. Its totient is φ = 8749099386720.

The previous prime is 18178053052319. The next prime is 18178053052373. The reversal of 18178053052342 is 24325035087181.

It is a super-2 number, since 2×18178053052342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473416917 + ... + 473455312.

It is an arithmetic number, because the mean of its divisors is an integer number (1768283889525).

Almost surely, 2^{18178053052342} is an apocalyptic number.

18178053052342 is a deficient number, since it is larger than the sum of its proper divisors (10114489180058).

18178053052342 is a wasteful number, since it uses less digits than its factorization.

18178053052342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946872591.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 18178053052342 in words is "eighteen trillion, one hundred seventy-eight billion, fifty-three million, fifty-two thousand, three hundred forty-two".